Որոնման արդյունքները - Leonard, I. Ed., 1938-

Classical geometry : euclidean, transformational, inversive, and projective / ‌ Leonard, I. Ed., 1938-

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Geometry of convex sets / ‌ Leonard, I. Ed., 1938-, Lewis, J. E. (James Edward)

An electronic book accessible through the World Wide Web; click to view

Partial differential equations : theory and completely solved problems / ‌ Hillen, Thomas, 1966-, Leonard, I. Ed., 1938-, Van Roessel, Henry, 1956-

An electronic book accessible through the World Wide Web; click to view