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@article{PIM_1978_N_S_24_38_a11, author = {Jovan D. Ke\v{c}ki\'c}, title = {On {Some} {Classes} {Of} {Linear} {Equations}}, journal = {Publications de l'Institut Math\'ematique}, pages = {89 }, publisher = {mathdoc}, volume = {_N_S_24}, number = {38}, year = {1978}, url = {http://geodesic.mathdoc.fr/item/PIM_1978_N_S_24_38_a11/} }
Jovan D. Kečkić. On Some Classes Of Linear Equations. Publications de l'Institut Mathématique, _N_S_24 (1978) no. 38, p. 89 . http://geodesic.mathdoc.fr/item/PIM_1978_N_S_24_38_a11/