@article{TRSPY_1973_126_a1,
     author = {A. K. Gushchin},
     title = {The estimates of the solutions of boundary value problems for a second order parabolic equation},
     journal = {Informatics and Automation},
     pages = {5--45},
     publisher = {mathdoc},
     volume = {126},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1973_126_a1/}
}