By Oleinik V.   Pavlov B.   in Journal of Mathematical Sciences

ISSN:1072-3374|128|2|2803-2806

Springer Publishing Company ‎(2005)‎

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By Kalupin A. P.   Oleinik V. L.   in Journal of Mathematical Sciences

ISSN:1072-3374|120|5|1685-1695

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 9.300857