@article{DE_1994_30_11_a14,
     author = {I. A. Kipriyanov and A. A. Kulikov},
     title = {Optimal control of processes described by singular equations of parabolic type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1982--1987},
     publisher = {mathdoc},
     volume = {30},
     number = {11},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_11_a14/}
}