Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1981_155_a4, author = {V. G. Kulakova}, title = {Positive projectors in symmetric {KB-spaces}}, journal = {Informatics and Automation}, pages = {95--102}, publisher = {mathdoc}, volume = {155}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1981_155_a4/} }
V. G. Kulakova. Positive projectors in symmetric KB-spaces. Informatics and Automation, Spectral theory of functions and operators. Part II, Tome 155 (1981), pp. 95-102. http://geodesic.mathdoc.fr/item/TRSPY_1981_155_a4/