@misc{Niewęgłowski_Henryk_Grach_Piotr_(1807–1881)_Geometrya_1869, author={Niewęgłowski, Henryk Grach Piotr (1807–1881)}, copyright={Public Domain}, address={Paris ;}, address={Lviv}, address={(Paris)}, howpublished={online}, year={1869}, publisher={Księg. K. Krolikowskiego ;}, publisher={K. Wild}, publisher={(Drukarnia E. Martinet)}, language={pol}, language={pol}, title={Geometrya}, type={Text}, URL={http://rcin.org.pl/impan/Content/27375/PDF/WA35_12421_6948_Geometrya.pdf}, keywords={Geometria [KABA]}, }