  2004 - Orthogonal Functions [Dover Phoenix Editions] (Hardcover) ISBN-13: 9780486438016 ISBN-10: 0486438015 Genres: Science & Math, Engineering & Transportation ?  1991 - Orthogonal Functions [Dover Books on Advanced Mathematics] (Paperback) ISBN-13: 9780486667300 ISBN-10: 0486667308 Genres: Science & Math, Engineering & Transportation ? |
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