@article{RMF_2019__94_3_a1,
     author = {Kloud, Vojt\v{e}ch},
     title = {Geometrick\'e d\r{u}kazy \'uloh varia\v{c}n{\'\i}ho po\v{c}tu},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {9--14},
     publisher = {mathdoc},
     volume = {94},
     number = {3},
     year = {2019},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/RMF_2019__94_3_a1/}
}