By Gancarzewicz Jacek   Rahmani Noureddine   Salgado Modesto   in Czechoslovak Mathematical Journal

ISSN:0011-4642|52|4|889-896

Springer Publishing Company ‎(2002)‎

Access to resources Favorite 12.238386

By Román-Roy Narciso   Salgado Modesto   Vilariño Silvia   Román-Roy Narciso   in Journal of Physics A: Mathematical and Theoretical

ISSN:1751-8121|48|5|55206-55248

IOP Publishing‎(2015)‎

Access to resources Favorite 9.178604