@article{SM_1970_10_1_a0,
     author = {N. V. Krylov},
     title = {On equations of minimax type in the theory of elliptic and parabolic equations in the plane},
     journal = {Sbornik. Mathematics},
     pages = {1--19},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {1970},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1970_10_1_a0/}
}