Differentiable germs and catastrophes /
Th. Brocker & L. Lander
- Cambridge : Cambridge University Press, 1975
- vi, 179 p. : ill. ; 23 cm.
- London Mathematical Society lecture note series ; 17 .
'A small number of copies of the German text were printed ... under the title: Der Regensburger Trichter, Band 3, Differenzierbare Abbildungen.' Includes index.