The existence of a definitely positive first integral
Differencialʹnye uravneniâ, Tome 12 (1976) no. 6, pp. 1123-1124
Cet article a éte moissonné depuis la source Math-Net.Ru
@article{DE_1976_12_6_a18,
author = {V. S. Ermolin},
title = {The existence of a definitely positive first integral},
journal = {Differencialʹnye uravneni\^a},
pages = {1123--1124},
year = {1976},
volume = {12},
number = {6},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1976_12_6_a18/}
}
V. S. Ermolin. The existence of a definitely positive first integral. Differencialʹnye uravneniâ, Tome 12 (1976) no. 6, pp. 1123-1124. http://geodesic.mathdoc.fr/item/DE_1976_12_6_a18/