TY - JOUR AU - M. V. Novitskii TI - Bilateral estimates of polynomial conservation laws for the KdV equation and their applications JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1989 SP - 78 EP - 79 VL - 23 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1989_23_3_a16/ LA - ru ID - FAA_1989_23_3_a16 ER -