@article{10_21136_CPMF_1874_123174, author = {Krej\v{c}{\'\i}, Jan}, title = {Za\v{c}\'atky mathematick\'e krystallografie. {[IV.]}}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky}, pages = {164--173}, year = {1874}, volume = {3}, number = {4}, doi = {10.21136/CPMF.1874.123174}, language = {cs}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1874.123174/} }