@article{VMUMM_1988_1_a4,
     author = {Nguy\^en Thị Thi\^eu Hoa},
     title = {The {Kolmogorov} inequality for differential operators},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {17--21},
     publisher = {mathdoc},
     number = {1},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1988_1_a4/}
}