@article{10_2140_agt_2011_11_1541, author = {Muro, Fernando}, title = {Homotopy theory of nonsymmetric operads}, journal = {Algebraic and Geometric Topology}, pages = {1541--1599}, year = {2011}, volume = {11}, number = {3}, doi = {10.2140/agt.2011.11.1541}, url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.1541/} }