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@article{PDA_1978_8_1_a1, author = {Dragutin Djurovi\'c}, title = {Sur l}, journal = {Publications of the Department of Astronomy}, pages = {37 - 42}, publisher = {mathdoc}, volume = {8}, number = {1}, year = {1978}, url = {http://geodesic.mathdoc.fr/item/PDA_1978_8_1_a1/} }
Dragutin Djurović. Sur l. Publications of the Department of Astronomy, Tome 8 (1978) no. 1. http://geodesic.mathdoc.fr/item/PDA_1978_8_1_a1/