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@article{FAA_1989_23_4_a11, author = {N. Ya. Krupnik and A. S. Markus and I. A. Fel'dman}, title = {Norm of a linear combination of projectors in {Hilbert} space}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {85--86}, publisher = {mathdoc}, volume = {23}, number = {4}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1989_23_4_a11/} }
TY - JOUR AU - N. Ya. Krupnik AU - A. S. Markus AU - I. A. Fel'dman TI - Norm of a linear combination of projectors in Hilbert space JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1989 SP - 85 EP - 86 VL - 23 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1989_23_4_a11/ LA - ru ID - FAA_1989_23_4_a11 ER -
N. Ya. Krupnik; A. S. Markus; I. A. Fel'dman. Norm of a linear combination of projectors in Hilbert space. Funkcionalʹnyj analiz i ego priloženiâ, Tome 23 (1989) no. 4, pp. 85-86. http://geodesic.mathdoc.fr/item/FAA_1989_23_4_a11/