@article{RM_1977_32_1_a42,
     author = {V. A. Zmorovich and N. A. Lukashevich and B. N. Fradlin},
     title = {V.\,A.~Dobrovol'skii, {Essays} on the development of the analytic theory of differential equations (review)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1977_32_1_a42/}
}