TY - JOUR AU - Fiřt, Vladimír TI - Plasticity conditions of polycrystalline material with acicular structure. [Preliminary communication] JO - Applications of Mathematics PY - 1966 SP - 490 EP - 493 VL - 11 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1966.103056/ DO - 10.21136/AM.1966.103056 LA - en ID - 10_21136_AM_1966_103056 ER -