@misc{DE_2000_36_11_a20, title = {Seminar on qualitative theory of differential equations at {Moscow} {State} {University}}, journal = {Differencialʹnye uravneni\^a}, pages = {1570--1579}, year = {2000}, volume = {36}, number = {11}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2000_36_11_a20/} }