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@article{PIM_1979_N_S_26_40_a19, author = {Jovan D. Ke\v{c}ki\'c}, title = {On {Some} {Classes} {Of} {Linear} {Equations,} {II}}, journal = {Publications de l'Institut Math\'ematique}, pages = {135 }, publisher = {mathdoc}, volume = {_N_S_26}, number = {40}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/PIM_1979_N_S_26_40_a19/} }
Jovan D. Kečkić. On Some Classes Of Linear Equations, II. Publications de l'Institut Mathématique, _N_S_26 (1979) no. 40, p. 135 . http://geodesic.mathdoc.fr/item/PIM_1979_N_S_26_40_a19/