@article{DE_1977_13_4_a13,
     author = {F. V. Lubyshev},
     title = {\"Uber {Differenzen-Differentialapproximationen} mehrdimensionaler {Probleme} der optimalen {Steuerung} mit r\"aumlich verteilten {Parametern}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {711--717},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_4_a13/}
}