@article{ZCSUT_2011__21_2-4_a0,
     author = {Kula, J\'an and St\v{r}{\'\i}\v{z}, Pavel},
     title = {Preface},
     journal = {Zpravodaj \v{C}eskoslovensk\'eho sdru\v{z}en{\'\i} u\v{z}ivatel\r{u} TeXu},
     pages = {69--69},
     publisher = {mathdoc},
     volume = {21},
     number = {2-4},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZCSUT_2011__21_2-4_a0/}
}