TY - JOUR AU - A. Polishchuk TI - Extensions of homogeneous coordinate rings to $A_{\infty}$-algebras JO - Homology, homotopy, and applications PY - 2003 SP - 407 EP - 421 VL - 5 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4310/HHA.2003.v5.n1.a17/ DO - 10.4310/HHA.2003.v5.n1.a17 LA - en ID - HHA_2003_5_1_a16 ER -