Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{ZR_1951_Knj_1_a8, author = {Vojislav G. Avakumovi\'c}, title = {\"Uber {Geschlossene} {Kurven} auf der {Kugel}}, journal = {Zbornik radova}, pages = {101 }, publisher = {mathdoc}, volume = {Knj_1}, year = {1951}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ZR_1951_Knj_1_a8/} }
Vojislav G. Avakumović. Über Geschlossene Kurven auf der Kugel. Zbornik radova, Knj_1 (1951), p. 101 . http://geodesic.mathdoc.fr/item/ZR_1951_Knj_1_a8/