Differential equations/
edited by M. Farkas ; technical editor A. Szép.
- Amsterdam ; New York: North-Holland, 1977.
- 418 p. ; 25 cm.
- Colloquia Mathematica Societatis János Bolyai; 15. .
Papers presented at a colloquium organized by Bolyai János Mathematical Society at Keszthely, Hungary in 1974.