TY - `BOOK` AU - Heller, Alex TI - Homotopy theories PB - American Mathematical Soc. CY - Providence, RI PY - 1988 LA - eng SE - V, 78 S. T2 - Memoirs of the American Mathematical Society M1 - 383 SN - 0-8218-2446-5 SN - 978-0-8218-2446-7 KW - Homotopie / Äquivariante Homotopie KW - Homotopietheorie CN - UBN/SI 990 H477 CN - Helle AN - UBHD-3498810 ER -