@article{DAN_1974_215_3_a13,
     author = {V. R. Portnov},
     title = {On the question of the exit at a constant of functions in the space $W_{p,\nu}^{(1)}$},
     journal = {Doklady Akademii Nauk},
     pages = {550--553},
     publisher = {mathdoc},
     volume = {215},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_215_3_a13/}
}