TY - JOUR AU - I. I. Vorovich TI - Error of direct methods in the non-linear theory of shells JO - Doklady Akademii Nauk PY - 1958 SP - 196 EP - 199 VL - 122 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_122_2_a8/ LA - ru ID - DAN_1958_122_2_a8 ER -