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@article{MV_1964_16_2_a8, author = {M. Plav\v{s}i\'c}, title = {Jedan dokaz da sferna povr\v{s}ina nije {Euklidov} prostor}, journal = {Matemati\v{c}ki vesnik}, pages = {149 }, publisher = {mathdoc}, volume = {16}, number = {2}, year = {1964}, url = {http://geodesic.mathdoc.fr/item/MV_1964_16_2_a8/} }
M. Plavšić. Jedan dokaz da sferna površina nije Euklidov prostor. Matematički vesnik, Tome 16 (1964) no. 2, p. 149 . http://geodesic.mathdoc.fr/item/MV_1964_16_2_a8/