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@article{MV_1955_7_1-2_a1, author = {B. Ra\v{s}ajski}, title = {Sistemi parcijalnih jedna\v{c}ina {II} reda}, journal = {Matemati\v{c}ki vesnik}, pages = {11 }, publisher = {mathdoc}, volume = {7}, number = {1-2}, year = {1955}, url = {http://geodesic.mathdoc.fr/item/MV_1955_7_1-2_a1/} }
B. Rašajski. Sistemi parcijalnih jednačina II reda. Matematički vesnik, Tome 7 (1955) no. 1-2, p. 11 . http://geodesic.mathdoc.fr/item/MV_1955_7_1-2_a1/