@article{DAN_1991_317_6_a3,
     author = {Nguyen Khong Tkhai},
     title = {The theory of semimoduli of infra-semi-units in ideal spaces of vector functions and its applications to integral operators},
     journal = {Doklady Akademii Nauk},
     pages = {1303--1307},
     publisher = {mathdoc},
     volume = {317},
     number = {6},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_317_6_a3/}
}