TY - BOOK AU - Shen A. AU - Vereshchagin, N. K TI - Basic set theory: _ T2 - Student Mathematical Library Vol. 17 SN - 9781470419189 U1 - 511.322 PY - 2014/// CY - providence,Rhode Island PB - AMS KW - KW - Set theory N1 - Includes index; First Indian edition 2014 ER -