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@article{PMF_1905_16_1_a2, author = {Guldberg, Alf}, title = {Ueber lineare homogene {Differenzengleichungen} derselben {Art}}, journal = {Prace Matematyczno-Fizyczne}, pages = {35--43}, publisher = {mathdoc}, volume = {16}, number = {1}, year = {1905}, language = {de}, url = {http://geodesic.mathdoc.fr/item/PMF_1905_16_1_a2/} }
Guldberg, Alf. Ueber lineare homogene Differenzengleichungen derselben Art. Prace Matematyczno-Fizyczne, Tome 16 (1905) no. 1, pp. 35-43. http://geodesic.mathdoc.fr/item/PMF_1905_16_1_a2/