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@article{PIM_1952_S_S_IV_04_a0, author = {Vojislav G. Avakumovi\'c}, title = {\"Uber {Die} {Randwertaufgabe} {Zweiter} {Ordnung}}, journal = {Publications de l'Institut Math\'ematique}, pages = {1 }, publisher = {mathdoc}, volume = {_S_S_IV}, number = {04}, year = {1952}, url = {http://geodesic.mathdoc.fr/item/PIM_1952_S_S_IV_04_a0/} }
Vojislav G. Avakumović. Über Die Randwertaufgabe Zweiter Ordnung. Publications de l'Institut Mathématique, _S_S_IV (1952) no. 04, p. 1 . http://geodesic.mathdoc.fr/item/PIM_1952_S_S_IV_04_a0/