@article{RM_1963_18_1_a9,
     author = {N. P. Kuptsov},
     title = {A~bound for solutions of linear differential equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1963},
     volume = {18},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1963_18_1_a9/}
}