%0 Journal Article %A O. Yu. Koltsova %T On Hamiltonian systems with homoclinic orbit to a saddle-center %J Zapiski Nauchnykh Seminarov POMI %D 2003 %P 187-193 %V 300 %U http://geodesic.mathdoc.fr/item/ZNSL_2003_300_a17/ %G en %F ZNSL_2003_300_a17