Ognian Trifonov

On a problem of Ore

Ognian Trifonov, Ognian Trifonov, Sharon E. Behum, 2007 .

The square-full numbers in an interval

M. Huxley, Ognian Trifonov, O. Trifonov, 1996, Mathematical Proceedings of the Cambridge Philosophical Society.

The distribution of squarefull numbers in short intervals

M. Filaseta, Ognian Trifonov, 1994 .