%0 Journal Article %A N. K. Gavrilov %A L. P. Shilnikov %T On three-dimensional dynamical systems close to systems with a struc­tu­rally unstable homoclinic curve. I %J Sbornik. Mathematics %D 1972 %P 467-485 %V 17 %N 4 %U http://geodesic.mathdoc.fr/item/SM_1972_17_4_a0/ %G en %F SM_1972_17_4_a0