TY - JOUR TI - Supplement to the article ``L\'{e}vy d'Alambertians and their application in the quantum theory'' by B.~O.~Volkov JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 2015 SP - 799 VL - 19 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGTU_2015_19_4_a15/ LA - ru ID - VSGTU_2015_19_4_a15 ER -