TY - JOUR AU - Švec, Alois TI - Infinitesimal rigidity of surfaces in $A^3$ JO - Czechoslovak Mathematical Journal PY - 1988 SP - 479 EP - 485 VL - 38 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102244/ DO - 10.21136/CMJ.1988.102244 LA - en ID - 10_21136_CMJ_1988_102244 ER -