TY - GEN AU - Mahowald, Mark AU - Tangora, Martin TI - Some differential in the Adams spectral sequence: reports from the Departament of Mathematics, Northwestern University, Evanston, Illinois U1 - 517.986 PY - 0000///[s. a.] CY - Evanston, Illinois PB - Northwestern University KW - Algebra Steenrod KW - Omotopia grupurilor N1 - Contine bibliogr. - Lucrare multigr ER -