An introduction to Diophantine equations: a problem-based approach T Andreescu, D Andrica, I Cucurezeanu Springer Science & Business Media, 2010 | 149 | 2010 |

Complex Numbers from A to... Z T Andreescu, D Andrica Birkhäuser, 2006 | 141 | 2006 |

Grüss' inequality for positive linear functionals D Andrica, C Badea Periodica Mathematica Hungarica 19 (2), 155-167, 1988 | 99 | 1988 |

104 number theory problems: from the training of the USA IMO team T Andreescu, D Andrica, Z Feng Springer Science & Business Media, 2007 | 67 | 2007 |

Number theory: structures, examples, and problems T Andreescu, D Andrica Springer Science & Business Media, 2009 | 65 | 2009 |

Note on a conjecture in prime number theory D Andrica Studia Univ. Babes-Bolyai Math 31 (4), 44-48, 1986 | 36 | 1986 |

360 Problems for Mathematical Contests T Andreescu, D Andrica Levant Books, 2014 | 32 | 2014 |

Why Quadratic Diophantine Equations? T Andreescu, D Andrica Quadratic Diophantine Equations, 1-8, 2015 | 24 | 2015 |

Critical point theory and some applications D Andrica Cluj University Press, 2005 | 24 | 2005 |

A nil-clean 2 Î 2 matrix over the integers which is not clean D Andrica, G Călugăreanu Journal of Algebra and Its Applications 13 (06), 1450009, 2014 | 22 | 2014 |

A geometric proof of Blundon’s inequalities D Andrica, C Barbu Math. Inequal. Appl 15 (2), 361-370, 2012 | 19 | 2012 |

A note on the Nagel and Gergonne points D Andrica, KL Nguyen Creative Math. & Inf 17, 127-136, 2008 | 19 | 2008 |

On smooth maps with finitely many critical points D Andrica, L Funar Journal of the London Mathematical Society 69 (3), 783-800, 2004 | 19 | 2004 |

The Jensen inequality: refinements and applications D Andrica, I Raşa Mathematica-Rev. Anal. Numér. Théor. Approx. 14 (2), 105-108, 1985 | 16 | 1985 |

On an integer sequence related to a product of trigonometric functions, and its combinatorial relevance D Andrica, I Tomescu Journal of Integer Sequences 5 (2), 3, 2002 | 14 | 2002 |

A geometric way to generate Blundon type inequalities D Andrica, C Barbu, N Minculete arXiv preprint arXiv:1205.1145, 2012 | 13 | 2012 |

Some unexpected connections between Analysis and Combinatorics D Andrica, EJ Ionascu Mathematics Without Boundaries, 1-19, 2014 | 11 | 2014 |

Proving some geometric inequalities by using complex numbers T Andreescu, D Andrica Mathematical Education 1 (2), 19-26, 2005 | 11 | 2005 |

Complex Numbers from A to Z D Andrica, N Bişboacă Millennium, Alba Iulia, 2001 | 10 | 2001 |

A formula for areas in terms of complex numbers D Andrica, I Bogdan Revista de Matematică Transylvania 3, 3-14, 1999 | 9 | 1999 |