TY - JOUR AU - A. A. Shkalikov TI - How should the Orr–Sommerfeld operator be defined? JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1998 SP - 36 EP - 43 IS - 4 UR - http://geodesic.mathdoc.fr/item/VMUMM_1998_4_a7/ LA - ru ID - VMUMM_1998_4_a7 ER -