TY - JOUR AU - A. Yu. Teplinskii TI - Hidden symmetry in an averaging algorithm, and the multiple spectrum of an elliptic problem with rapidly oscillating coefficients JO - Differencialʹnye uravneniâ PY - 1998 SP - 540 EP - 545 VL - 34 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1998_34_4_a14/ LA - ru ID - DE_1998_34_4_a14 ER -