@article{MZM_2002_71_6_a2,
     author = {A. S. Bobkova and A. Yu. Kolesov and N. Kh. Rozov},
     title = {The {``Duck} {Survival''} {Problem} in {Three-Dimensional} {Singularly} {Perturbed} {Systems} with {Two} {Slow} {Variables}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {818--831},
     publisher = {mathdoc},
     volume = {71},
     number = {6},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2002_71_6_a2/}
}