Baues, Hans-Joachim Max Planck Institute for Mathematics, Max Planck Society;
Richter, Birgit Max Planck Institute for Mathematics, Max Planck Society;
Baues, H.-J., Minian, E. G., & Richter, B. (2004). Crossed modules over operads and operadic cohomology. K-Theory, 31(1), 39-69.