Newman, M.H.A. Elements of the topology of plane sets of points / M.H.A. Newman. - 2a ed. - New York : Dover Publications, 1992 - vi, 214 p. : il. ; 21 cm. Incluye índice ISBN: 0486670376 Subjects--Topical Terms: Topologia LC Class. No.: QA611.7 / N49 1992