On Formal Groups and Singularities in Complex Corbordism Theory. Nils Andreas Baas (1973) Mathematica Scandinavica
On Postnikov-true families of complexes and the Adams completion Aristide Delenau, Peter Hilton (1980) Fundamenta Mathematicae
On Products in a Family of Cohomology Theories Associated to the Invariant Prime Ideals of ... (BP). Urs Würgler (1977) Commentarii mathematici Helvetici
On the Adams spectral sequence for R -modules. Baker, Andrew, Lazarev, Andrej (2001) Algebraic & Geometric Topology
On the categorical foundations of homological and homotopical algebra Marco Grandis (1992) Cahiers de Topologie et Géométrie Différentielle Catégoriques
On the Čech and axiomatic cohomology of product spaces Vojtěch Bartík (1984) Czechoslovak Mathematical Journal
On the cohomology of some Hopf algebroids and Hattori-Stong theorems. Baker, Andrew (2000) Homology, Homotopy and Applications
On the Steenrod operations in cyclic cohomology. Elhamdadi, Mohamed, Gouda, Yasien Gh. (2003) International Journal of Mathematics and Mathematical Sciences
Operations and cooperations in elliptic cohomology. I: Generalized modular forms and the cooperation algebra. Baker, Andrew (1994) The New York Journal of Mathematics [electronic only]
Operations and quantum doubles in complex oriented cohomology theory. Buchstaber, Victor M., Ray, Nigel (1999) Homology, Homotopy and Applications