@article{DE_1971_7_4_a16,
     author = {P. K. Senatorov},
     title = {Coefficient stability of the solutions of second order ordinary differential equations and of parabolic equations on the plane},
     journal = {Differencialʹnye uravneni\^a},
     pages = {754--758},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_4_a16/}
}