@article{ZVMMF_1990_30_9_a1,
     author = {E. K. Kostousova},
     title = {Approximating the measurement optimization problems for a~parabolic system},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1294--1306},
     publisher = {mathdoc},
     volume = {30},
     number = {9},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1990_30_9_a1/}
}