Heat Kernals and Spectral Theory.
Cambridge, New York, Port Ches Cambridge University Press, 1990. 197 pp. 8vo. Paperback. Minor shelfwear. Sunning to spine. Light yellowing to cover edges and joints, light damp staining to rear cover along lower edges. Joints creased. Number 92 of the Cambridge Tracts in Mathematics. Very Good Paperback 0521409977 (Item ID: 134955)