@article{PMFA_1993__38_6_a0,
     author = {Be\v{c}v\'a\v{r}, Jind\v{r}ich},
     title = {150 let od objevu kvaternion\r{u}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {305--317},
     publisher = {mathdoc},
     volume = {38},
     number = {6},
     year = {1993},
     mrnumber = {1280448},
     zbl = {0816.01007},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1993__38_6_a0/}
}