@article{DA_1976_15_a1,
     author = {O. V. Vasiliev},
     title = {On the study of singular control in a system with distributed parameters},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {3--15},
     publisher = {mathdoc},
     number = {15},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1976_15_a1/}
}