@article{DE_1987_23_1_a14,
     author = {M. Rakhimov},
     title = {On certain problems of the quadratic regulator for linear hyperbolic equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {143--154},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_1_a14/}
}