Approximation /
Hans Joachim Schädlich ; translated by Richard and Clara Winston.
APA Citation
Schädlich, H. Joachim. (1980). Approximation. New York: Harcourt Brace Jovanovich.
MLA Citation
Schädlich, Hans Joachim. Approximation. New York: Harcourt Brace Jovanovich, 1980.
Warning: These citations may not always be complete (especially for serials).