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@article{PIM_2012_N_S_91_105_a5, author = {Jovo Jari\'c}, title = {On {Gauss-Bonnet} {Theorem}}, journal = {Publications de l'Institut Math\'ematique}, pages = {59 }, publisher = {mathdoc}, volume = {_N_S_91}, number = {105}, year = {2012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PIM_2012_N_S_91_105_a5/} }
Jovo Jarić. On Gauss-Bonnet Theorem. Publications de l'Institut Mathématique, _N_S_91 (2012) no. 105, p. 59 . http://geodesic.mathdoc.fr/item/PIM_2012_N_S_91_105_a5/