Levine, Harold (1922- ). Classifying immersions into IR^(4) over stable maps of 3-manifolds into IR^(2) / Harold Levine. - Berlin [etc.] : Springer-Verlag, 1985. - IV, 163 s. : il. ; 24 cm. - Lecture Notes in Mathematics ; 1157 . - Lecture Notes in Mathematics 1157 . Bibliogr. s. 162-163. Indeks. ISBN: 3540159959 0387159959 Subjects--Topical Terms: Odwzorowania różniczkowalne. Universal Decimal Class. No.: 517.5