@article{RM_1962_17_3_a0,
     author = {A. M. Il'in and A. S. Kalashnikov and O. A. Oleinik},
     title = {Linear equations of the second order of parabolic type},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1--143},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {1962},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1962_17_3_a0/}
}