@article{RM_1965_20_4_a0,
     author = {V. V. Nemytskii},
     title = {Some modern problems in the qualitative theory of ordinary differential equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1--34},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {1965},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1965_20_4_a0/}
}