@article{702959,
     title = {My wonderful numerical analysis teachers -- Milan Pr\'ager and Emil Vit\'asek},
     booktitle = {Application of Mathematics 2015},
     series = {GDML\_Books},
     publisher = {Institute of Mathematics CAS},
     address = {Prague},
     year = {2015},
     pages = {vi-xiv},
     zbl = {06669914},
     url = {http://dml.mathdoc.fr/item/702959}
}

Křížek, Michal. My wonderful numerical analysis teachers -- Milan Práger and Emil Vitásek, dans Application of Mathematics 2015, GDML_Books,  (2015), pp. vi-xiv. http://gdmltest.u-ga.fr/item/702959/