TY - BOOK AU - Nicolas Bourbaki TI - General topology, vol.1, chapters 1-4 T2 - Elements of mathematics SN - 9783540642411 U1 - 514 BOU(GEN) v.1 PY - 1989/// PB - Springer-Verlag, Berlin, New York KW - Topology N1 - 369/09-10/30-06-09 ER -