TY - JOUR AU - A. S. Makin TI - Summation of Abel--Poisson means of spectral decompositions corresponding to differential operators JO - Differencialʹnye uravneniâ PY - 1985 SP - 1633 EP - 1635 VL - 21 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_9_a27/ LA - ru ID - DE_1985_21_9_a27 ER -