TY - JOUR AU - A. I. Karol' TI - Asymptotics of the singular numbers for compact pseudodifferential operators with nonsmooth symbols with respect to spatial variables JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2019 SP - 89 EP - 92 VL - 53 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2019_53_4_a8/ LA - ru ID - FAA_2019_53_4_a8 ER -