@article{10_14708_wm_v7i2_2356, author = {R. Krasnod\k{e}bski}, title = {Prosty dow\'od twierdzenia {Laplace'a}}, journal = {Wiadomo\'sci Matematyczne}, pages = { 211--213}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1964}, doi = {10.14708/wm.v7i2.2356}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v7i2.2356/} }