A. F. Andreev, T. V. Stepanova, “The number of Frommer substitutions sufficient to reveal all ${\rm TO}$-curves of the equation $X(x,\,y)\,dy=Y(x,\,y)\,dx$”, Differ. Uravn., 1968, Volume 4, Number 9,Pages 1560

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Differ. Uravn., 1968 Volume 4, Number 9, Pages 1560–1573 (Mi de431)

The number of Frommer substitutions sufficient to reveal all ${\rm TO}$-curves of the equation $X(x,\,y)\,dy=Y(x,\,y)\,dx$

A. F. Andreev, T. V. Stepanova

Leningrad State University

UDC: 517.917

Received: 11.04.1967

Fulltext: PDF file (1382 kB)

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