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@article{PIM_1979_N_S_25_39_a28, author = {B. Stankovi\'c}, title = {Linear {Differential} {Equations} {With} {Coefficients} {In} {A} {Field} {I}}, journal = {Publications de l'Institut Math\'ematique}, pages = {197 }, publisher = {mathdoc}, volume = {_N_S_25}, number = {39}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/PIM_1979_N_S_25_39_a28/} }
B. Stanković. Linear Differential Equations With Coefficients In A Field I. Publications de l'Institut Mathématique, _N_S_25 (1979) no. 39, p. 197 . http://geodesic.mathdoc.fr/item/PIM_1979_N_S_25_39_a28/