Numerical and quantitative analysis Fichera, Gaetano. creator Graffi, S. text xxu S.l.] Pitman Publishing 1978 First Edition. monographic eng
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218 p. Gaetano Fichera, S. Graffi. Surveys and reference works in mathematics 0273002848 (hardcover) 9780273002840 (hardcover) http://www.amazon.com/exec/obidos/ASIN/0273002848/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/0273002848/chopaconline-20 150430 20150504092921.0 ASIN0273002848