TY - JOUR AU - S. Yu. Pilyugin TI - The phase diagrams of three-dimensional systems of differential equations of Morse--Smale type JO - Differencialʹnye uravneniâ PY - 1973 SP - 1256 EP - 1261 VL - 9 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1973_9_7_a9/ LA - ru ID - DE_1973_9_7_a9 ER -