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@article{NM_1995_XL_3-4_a6, author = {Pavle Mladenovi\'c}, title = {Invarijanta}, journal = {Nastava matematike}, pages = {47 }, publisher = {mathdoc}, volume = {XL}, number = {3-4}, year = {1995}, language = {en}, url = {http://geodesic.mathdoc.fr/item/NM_1995_XL_3-4_a6/} }
Pavle Mladenović. Invarijanta. Nastava matematike, XL (1995) no. 3-4, p. 47 . http://geodesic.mathdoc.fr/item/NM_1995_XL_3-4_a6/