@article{10_21136_CPMF_1881_121626, author = {Studni\v{c}ka, Franti\v{s}ek Josef}, title = {O neodvisl\'em vyj\'ad\v{r}en{\'\i} vy\v{s}\v{s}{\'\i}ch variant\r{u} a retrovariant\r{u} rovnicov\'ych}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky}, pages = {208--212}, publisher = {mathdoc}, volume = {10}, number = {4}, year = {1881}, doi = {10.21136/CPMF.1881.121626}, language = {cz}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1881.121626/} }