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@article{PMF_1934_41_1_a14, author = {Lipi\'nski, St.}, title = {Eta {Aquilae}}, journal = {Prace Matematyczno-Fizyczne}, pages = {165--169}, publisher = {mathdoc}, volume = {41}, number = {1}, year = {1934}, language = {de}, url = {http://geodesic.mathdoc.fr/item/PMF_1934_41_1_a14/} }
Lipiński, St. Eta Aquilae. Prace Matematyczno-Fizyczne, Tome 41 (1934) no. 1, pp. 165-169. http://geodesic.mathdoc.fr/item/PMF_1934_41_1_a14/