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@article{DE_1965_1_4_a1, author = {A. P. Vorob'ev}, title = {Qualitative investigation in the large of integral curves of isochronous systems of two differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {439--441}, publisher = {mathdoc}, volume = {1}, number = {4}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1965_1_4_a1/} }
TY - JOUR AU - A. P. Vorob'ev TI - Qualitative investigation in the large of integral curves of isochronous systems of two differential equations JO - Differencialʹnye uravneniâ PY - 1965 SP - 439 EP - 441 VL - 1 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1965_1_4_a1/ LA - ru ID - DE_1965_1_4_a1 ER -
A. P. Vorob'ev. Qualitative investigation in the large of integral curves of isochronous systems of two differential equations. Differencialʹnye uravneniâ, Tome 1 (1965) no. 4, pp. 439-441. http://geodesic.mathdoc.fr/item/DE_1965_1_4_a1/