By Chatzarakis G.   Khatibzadeh H.   Miliaras G.   Stavroulakis I.   in Ukrainian Mathematical Journal

ISSN:0041-5995|65|3|478-499

Springer Publishing Company ‎(2013)‎

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By Koplatadze R.   Kvinikadze G.   Stavroulakis I.P.   in Georgian Mathematical Journal

ISSN:1072-947X|6|6|553-566

Springer Publishing Company ‎(1999)‎

Access to resources Favorite 2.4997547

By Philos C.G.   Purnaras† I.K.   Stavroulakis‡ I.P.   in Journal of Difference Equations and Applications

ISSN:1023-6198|10|4|419-435

Taylor & Francis Ltd‎(2004)‎

Access to resources Favorite 2.083129