TY - JOUR AU - A. I. Litvin TI - On Some Approach to Hadamard's Problem JO - Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika PY - 2008 SP - 51 EP - 57 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTGU_2008_1_a6/ LA - ru ID - VTGU_2008_1_a6 ER -