@article{10_5300_2020_3_4_105,
     author = {Sojka, Petr},
     title = {\'Uvodn{\'\i}k},
     journal = {Zpravodaj \v{C}eskoslovensk\'eho sdru\v{z}en{\'\i} u\v{z}ivatel\r{u} TeXu},
     pages = {105--107},
     publisher = {mathdoc},
     volume = {30},
     number = {3-4},
     year = {2020},
     doi = {10.5300/2020-3-4/105},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.5300/2020-3-4/105/}
}