@article{MZM_1967_2_5_a12,
     author = {S. N. Kruzhkov},
     title = {Estimates of the highest derivatives for the solutions of elliptic and parabolic equations with continuous coefficients},
     journal = {Matemati\v{c}eskie zametki},
     pages = {549--560},
     publisher = {mathdoc},
     volume = {2},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_2_5_a12/}
}