Baues, Hans-Joachim Max Planck Institute for Mathematics, Max Planck Society;
Muro, Fernando Max Planck Institute for Mathematics, Max Planck Society;
Baues, H.-J., & Muro, F. (2009). Toda brackets and cup-one squares for ring spectra. Communications in Algebra, 37(1), 56-82. doi:10.1080/00927870802241188.