@misc{10_21136_AM_1970_103268, title = {Zpr\'avy}, journal = {Applications of Mathematics}, pages = {71--74}, year = {1970}, volume = {15}, number = {1}, doi = {10.21136/AM.1970.103268}, language = {cs}, url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1970.103268/} }