Free boundary problems 2 K. H. Hoffmann (ed.) ... - S.438 - 901 graph. Darst - Pitman research notes in mathematics series 186 . - 186 . - Pitman research notes in mathematics series 186 . ISBN: 0582018609 0470212004 Nat. Bib. Agency Control No.: 311501250 US-OCoLC ZBM0703.00016