@article{bwmeta1.element.bwnjournal-article-wm11z1n9bwm, title = {Samuel Pierpont Langley}, journal = {Wiadomo\'sci Matematyczne}, volume = {11}, year = {1907}, pages = {189-194}, language = {pl}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-wm11z1n9bwm} }
(éd.). Samuel Pierpont Langley. Wiadomości Matematyczne, Tome 11 (1907) pp. 189-194. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-wm11z1n9bwm/