N. N. Molchanov, “A proof of the existence of an integrating factor in the neighborhood of a singular point”, Mat. Sb. (N.S.), 1959, Volume 47(89), Number 3,Pages <nobr>265

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Mat. Sb. (N.S.), 1959 Volume 47(89), Number 3, Pages 265–270 (Mi sm4872)

A proof of the existence of an integrating factor in the neighborhood of a singular point

N. N. Molchanov

Received: 04.07.1957

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