@article{UM_2017_25_4_a3,
     author = {Calda, Emil},
     title = {Stru\v{c}n\'y v\'yklad n\v{e}kter\'ych pedagogick\'ych pojm\r{u}},
     journal = {U\v{c}itel matematiky},
     pages = {253--254},
     year = {2017},
     volume = {25},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2017_25_4_a3/}
}