Knops, R.J (ed) Symposium on non-well-posed problems & logarithmic convexity held in heriot-watt university, edinbergh, scotland, mar 22- 24, 1972 Ed by R.J. Knops - Berlin Springer 1973 - 176 - Lecture notes in mathematics 316 . ISBN: 3540061592 Dewey Class. No.: 10.02 / KNOP