@article{IM2_1990_34_1_a3,
     author = {N. V. Krylov},
     title = {Smoothness of the value function for a~controlled diffusion process in a~domain},
     journal = {Izvestiya. Mathematics },
     pages = {65--95},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1990_34_1_a3/}
}