TY - JOUR AU - N. A. Shananin TI - Solubility on compact subsets for differential equations with real principal pencil of symbols JO - Sbornik. Mathematics PY - 2006 SP - 281 EP - 302 VL - 197 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2006_197_2_a8/ LA - en ID - SM_2006_197_2_a8 ER -