@article{TRSPY_2002_236_a3,
     author = {O. D. Anosova},
     title = {Invariant {Manifolds} in {Singularly} {Perturbed} {Systems}},
     journal = {Informatics and Automation},
     pages = {27--32},
     publisher = {mathdoc},
     volume = {236},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2002_236_a3/}
}