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@article{MV_1952_4_1_a0, author = {{\DJ}. Kurepa}, title = {On a definition and notation of matrices. {On} a kind of switch matrices}, journal = {Matemati\v{c}ki vesnik}, pages = {1 }, publisher = {mathdoc}, volume = {4}, number = {1}, year = {1952}, url = {http://geodesic.mathdoc.fr/item/MV_1952_4_1_a0/} }
Đ. Kurepa. On a definition and notation of matrices. On a kind of switch matrices. Matematički vesnik, Tome 4 (1952) no. 1, p. 1 . http://geodesic.mathdoc.fr/item/MV_1952_4_1_a0/