TY - JOUR AU - L. V. Stepanova AU - K. N. Aldebeneva TI - Photoelastic study of a double edge notched plate for determination of the Williams series expansion JO - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ PY - 2020 SP - 56 EP - 67 VL - 26 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGU_2020_26_4_a5/ LA - en ID - VSGU_2020_26_4_a5 ER -