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@article{MV_1976_28_1_a14, author = {A. Torga\v{s}ev}, title = {O numeri\v{c}kom rangu operatora u normiranom prostoru}, journal = {Matemati\v{c}ki vesnik}, pages = {118 }, publisher = {mathdoc}, volume = {28}, number = {1}, year = {1976}, url = {http://geodesic.mathdoc.fr/item/MV_1976_28_1_a14/} }
A. Torgašev. O numeričkom rangu operatora u normiranom prostoru. Matematički vesnik, Tome 28 (1976) no. 1, p. 118 . http://geodesic.mathdoc.fr/item/MV_1976_28_1_a14/