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@article{MV_1949_1_3-4_a5, author = {R. Bojani\'c}, title = {Jedna karakteristi\v{c}na osobina koni\v{c}nih preseka}, journal = {Matemati\v{c}ki vesnik}, pages = {105 }, publisher = {mathdoc}, volume = {1}, number = {3-4}, year = {1949}, url = {http://geodesic.mathdoc.fr/item/MV_1949_1_3-4_a5/} }
R. Bojanić. Jedna karakteristična osobina koničnih preseka. Matematički vesnik, Tome 1 (1949) no. 3-4, p. 105 . http://geodesic.mathdoc.fr/item/MV_1949_1_3-4_a5/