@article{10_21136_CPMF_1890_122024,
     author = {Seydler, August},
     title = {Pozn\'amka k t. zv. {Petrohradsk\'emu} probl\'emu},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {277--281},
     year = {1890},
     volume = {19},
     number = {6},
     doi = {10.21136/CPMF.1890.122024},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1890.122024/}
}