Csiba, Peter, Filip, Ferdinánd, Tóth T., János (2007) Distribution of terms of a logarithmic sequence Annales Mathematicae et Informaticae. 34 pp. 33-45. ISSN 1787-5021 (Print), 1787-6117 (Online)
Filip, Ferdinánd, Liptai, Kálmán, Tóth T., János (2006) On prime divisors of remarkable sequences Annales Mathematicae et Informaticae. 33. pp. 45-56. ISSN 1787-5021 (Print), 1787-6117 (Online)
Filip, Ferdinánd, Liptai, Kálmán, Mátyás, Ferenc, Tóth T., János (2010) On the best estimations for dispersions of special ratio block sequences Annales Mathematicae et Informaticae. 37. pp. 85-93. ISSN 1787-5021 (Print), 1787-6117 (Online)
Csiba, Peter, Filip, Ferdinánd, Komzsik, Attila, Tóth T., János (2014) On the existence of the generalized Gauss composition of means Annales Mathematicae et Informaticae. 43. pp. 55-65. ISSN 1787-5021 (Print), 1787-6117 (Online)
Mátyás, Ferenc, Liptai, Kálmán, Tóth T., János, Filip, Ferdinánd (2010) Polynomials with special coefficients Annales Mathematicae et Informaticae. 37. pp. 101-106. ISSN 1787-5021 (Print), 1787-6117 (Online)