@article{DE_1975_11_10_a11, author = {V. M. Reshetov}, title = {Approach-deviation problems in properly linear systems}, journal = {Differencialʹnye uravneni\^a}, pages = {1819--1826}, publisher = {mathdoc}, volume = {11}, number = {10}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_10_a11/} }