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@article{MZM_1982_32_5_a2, author = {W. P. Odinets}, title = {Conditions for the existence and strong uniqueness of a projection with norm~1}, journal = {Matemati\v{c}eskie zametki}, pages = {607--612}, publisher = {mathdoc}, volume = {32}, number = {5}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1982_32_5_a2/} }
W. P. Odinets. Conditions for the existence and strong uniqueness of a projection with norm~1. Matematičeskie zametki, Tome 32 (1982) no. 5, pp. 607-612. http://geodesic.mathdoc.fr/item/MZM_1982_32_5_a2/