TY - JOUR AU - E. K. Makarov TI - On the discreteness of asymptotic invariants of linear differential systems JO - Differencialʹnye uravneniâ PY - 1998 SP - 1322 EP - 1331 VL - 34 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1998_34_10_a4/ LA - ru ID - DE_1998_34_10_a4 ER -