@article{10_21136_AM_1968_103190, author = {Hampl, Miloslav}, title = {Zpr\'avy}, journal = {Applications of Mathematics}, pages = {429--434}, publisher = {mathdoc}, volume = {13}, number = {5}, year = {1968}, doi = {10.21136/AM.1968.103190}, language = {cz}, url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1968.103190/} }