@article{PMFA_1989__34_1_a2,
     author = {Lederman, L.},
     title = {Sjednocen{\'\i}, velk\'e sjednocen{\'\i} a jednota fyziky (1986 {Richtmyerova} p\v{r}edn\'a\v{s}ka pro rok 1986)},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {12--27},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1989},
     language = {cz},
     url = {https://geodesic-test.mathdoc.fr/item/PMFA_1989__34_1_a2/}
}