By Il’kiv V.   in Differential Equations

ISSN:0012-2661|41|2|264-271

MAIK Nauka/Interperiodica‎(2005)‎

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By Il’kiv V.   Savka I.   in Journal of Mathematical Sciences

ISSN:1072-3374|167|1|47-61

Springer Publishing Company ‎(2010)‎

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By Il’kiv V.   Ptashnyk B.   in Ukrainian Mathematical Journal

ISSN:0041-5995|58|12|1847-1875

Springer Publishing Company ‎(2006)‎

Access to resources Favorite 20.728218

By Il’kiv V.   Ptashnyk B.   in Siberian Mathematical Journal

ISSN:0037-4466|46|1|94-102

Springer Publishing Company ‎(2005)‎

Access to resources Favorite 20.728218