@article{10_21136_CPMF_1888_109162, author = {Strnad, A.}, title = {O \v{c}tyr\'uheln{\'\i}ku dvojst\v{r}edov\'em. {[I.]}}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky}, pages = {10--19}, publisher = {mathdoc}, volume = {17}, number = {1}, year = {1888}, doi = {10.21136/CPMF.1888.109162}, language = {cz}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1888.109162/} }