$a Pi, a sourcebook / [edited by] Lennart Berggren, Jonathan Borwein, Peter Borwein. - New York , 2000 $b CIP LCC (Borwein, Jonathan M.) ; (Department of Math. and Statistics, Simon Fraser Univ. Burnaby, Canada)
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$a Communicating mathematics in the digital era / ed. by J. M. Borwein, E. M. Rocha, J. F. Rodrigues. - Wellesley, cop. 2008.