@article{VMUMM_1995_4_a16,
     author = {A. M. Formal'sky},
     title = {On a modification of a proportional-integrodifferential regulator},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {85--89},
     year = {1995},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1995_4_a16/}
}