TY - JOUR TI - Čtvrtá konference o nelineárních kmitech 1967 JO - Applications of Mathematics PY - 1967 VL - 12 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1967.103071/ DO - 10.21136/AM.1967.103071 LA - cz ID - 10_21136_AM_1967_103071 ER -