TY - JOUR AU - Hampl, Miloslav TI - Zprávy JO - Applications of Mathematics PY - 1968 SP - 429 EP - 434 VL - 13 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1968.103190/ DO - 10.21136/AM.1968.103190 LA - cz ID - 10_21136_AM_1968_103190 ER -