On the greatest prime factor of integers of the form ab + 1

By Stewart C.L.  

Periodica Mathematica Hungarica, Vol. 43, Iss. 1-2, 2002-08 ,pp. : 81-91

Springer Publishing Company

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Rigidity properties of Borel ideals on the integers

By Kechris A.S.  

Topology and its Applications, Vol. 85, Iss. 1, 1998-05 ,pp. : 195-205

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On the Number of Prime Facttors of Integers Characterized by Digit Properties

By Konyagin S.   Mauduit C.   Sárközy A.  

Periodica Mathematica Hungarica, Vol. 40, Iss. 1, 2000-02 ,pp. : 37-52

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Representation of natural numbers by sums of four squares of integers having a special form

By Gritsenko S.   Mot’kina N.  

Journal of Mathematical Sciences, Vol. 173, Iss. 2, 2011-02 ,pp. : 194-200

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On Sums of Positive Integers That Are Not of the Form ax + by

By Tripathi Amitabha  

American Mathematical Monthly, Vol. 115, Iss. 4, 2008-04 ,pp. : 363-363

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