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@article{DAN_1968_179_4_a0, author = {I. A. Bakhtin}, title = {On the problem of extending positive linear functionals}, journal = {Doklady Akademii Nauk}, pages = {759--761}, publisher = {mathdoc}, volume = {179}, number = {4}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_4_a0/} }
I. A. Bakhtin. On the problem of extending positive linear functionals. Doklady Akademii Nauk, Tome 179 (1968) no. 4, pp. 759-761. http://geodesic.mathdoc.fr/item/DAN_1968_179_4_a0/