@article{DE_1986_22_10_a10,
     author = {L. I. Kamynin and B. N. Khimchenko},
     title = {A theorem on the space derivative for a second-order one-dimensional parabolic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1754--1764},
     publisher = {mathdoc},
     volume = {22},
     number = {10},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1986_22_10_a10/}
}