Stone, David A. The exponential map at an isolated singular point/ David A. Stone. - Providence, R.I.: American Mathematical Society, 1982. - v, 184 p.: ill.; 26 cm. - Memoirs of the American Mathematical Society; no. 256. . "Volume 35, number 256 (second of 3 numbers)." Bibliography: p. 184. ISBN: 082182256X (pbk.) LCCN: 81019100 //r83 Subjects--Topical Terms: Geometry, Riemannian.Singularities (Mathematics)Mappings (Mathematics) Dewey Class. No.: 510 s 516.3/73