TY - JOUR AU - A. N. Shiryaev AU - Yu. M. Kabanov AU - D. O. Kramkov AU - A. V. Melnikov TI - Toward the theory of pricing of options of both European and American types.~I. Discrete time JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1994 SP - 23 EP - 79 VL - 39 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1994_39_1_a1/ LA - ru ID - TVP_1994_39_1_a1 ER -