TY - JOUR AU - V. V. Karachik TI - Almansi decompositions for non-singular second order partial differential operators JO - Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika PY - 2010 SP - 4 EP - 12 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VYURM_2010_3_a0/ LA - ru ID - VYURM_2010_3_a0 ER -