%0 Journal Article %A D. A. Kaloshin %T On the construction of a bifurcation surface of existence of heteroclinic saddle-focus contours in the Lorenz system %J Differencialʹnye uravneniâ %D 2004 %P 1705-1707 %V 40 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2004_40_12_a14/ %G ru %F DE_2004_40_12_a14