@article{DE_1992_28_3_a6,
     author = {V. E. Pak and A. G. Chentsov},
     title = {On a regularization procedure for a function of the value of a nonlinear control problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {414--422},
     publisher = {mathdoc},
     volume = {28},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_3_a6/}
}