@article{RM_1984_39_2_a46,
     author = {P. Cartier},
     title = {Singular perturbations of ordinary differential equations and nonstandard analysis},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1984_39_2_a46/}
}