@article{MZM_1981_30_6_a2,
     author = {L. P. Vlasov},
     title = {Continuity of the metric projection},
     journal = {Matemati\v{c}eskie zametki},
     pages = {813--818},
     publisher = {mathdoc},
     volume = {30},
     number = {6},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1981_30_6_a2/}
}