Kawohl, Bernhard (1952- ). Rearrangements and convexity of level sets in PDE / Bernhard Kawohl. - Berlin : Springer-Verlag, 1985. - 134 s. : rys., wykr. ; 25 cm. - Lecture Notes in Mathematics ; 1150 . - Lecture Notes in Mathematics 1150 . Indeksy. Bibliogr. s. [123]-134. Indeksy. ISBN: 3540156933 0387156933 Subjects--Topical Terms: Teoria zbiorów. Universal Decimal Class. No.: 517