@article{ZNSL_1990_181_a3,
     author = {I. N. Kostin},
     title = {Regular approach to attractors of singularly perturbed equations},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {93--131},
     publisher = {mathdoc},
     volume = {181},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1990_181_a3/}
}