TY - JOUR AU - Ya. A. Granilshchikova AU - A. A. Shkalikov TI - Spectral properties of a differential operator with involution JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2022 SP - 67 EP - 71 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2022_4_a9/ LA - ru ID - VMUMM_2022_4_a9 ER -