@article{AUPO_1992_31_1_a1,
     author = {Rach\r{u}nek, Ji\v{r}{\'\i}},
     title = {Solid subgroups of weakly associative lattice groups},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {13--24},
     year = {1992},
     volume = {31},
     number = {1},
     mrnumber = {1212601},
     zbl = {0776.06016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1992_31_1_a1/}
}