TY - JOUR AU - S. Yu. Orevkov TI - Two-dimensional diffusion orthogonal polynomials ordered by a weighted degree JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2023 SP - 39 EP - 73 VL - 57 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2023_57_3_a2/ LA - ru ID - FAA_2023_57_3_a2 ER -