TY - JOUR AU - Samson Saneblidze AU - Ronald Umble TI - Matrads, biassociahedra, and $A_{\infty}$-bialgebras JO - Homology, homotopy, and applications PY - 2011 SP - 1 EP - 57 VL - 13 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4310/HHA.2011.v13.n1.a2/ DO - 10.4310/HHA.2011.v13.n1.a2 LA - en ID - HHA_2011_13_1_a1 ER -