Devlin, Keith, The Joy of Sets : Fundamentals of Contemporary Set Theory. Second Edition 1993. (Undergraduate Texts in Mathematics) 194 pp. (Springer-Verlag New York Inc., US) ＜M25-18073＞

Zeidler, E., Nonlinear Functional Analysis and its Applications : IV: Applications to Mathematical Physics. Softcover reprint of the original 1st ed. 1988. 993 pp. (Springer-Verlag New York Inc., US) ＜M25-18086＞