TY - JOUR AU - Laguna, V. F. AU - Rodríguez Sanjurjo, José Manuel PY - 1984 DO - 10.1016/0166-8641(84)90041-5 SN - 0166-8641 UR - https://hdl.handle.net/20.500.14352/64694 T2 - Topology and its Applications AB - We introduce the notion of internal fundamental sequence and prove that any shape morphism from an arbitrary compactum X to an internally movable compactum Y is induced by an internal fundamental sequence. We use this special kind of fundamental... LA - eng M2 - 189 PB - Elsevier Science KW - Shape theory TI - Internal fundamental sequences and approximative retracts TY - journal article VL - 17 ER -