TY - JOUR AU - T. Yu. Semenova TI - Estimate for the least positive root of the harmonic function in a circle decomposed into sine series JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2023 SP - 15 EP - 23 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2023_3_a2/ LA - ru ID - VMUMM_2023_3_a2 ER -