@article{VMUMM_1989_5_a17,
     author = {O. Yu. Imanuvilov},
     title = {On the existence of solutions in problems of the control of elliptic equations},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {70--73},
     publisher = {mathdoc},
     number = {5},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1989_5_a17/}
}