Siegfried H. Lehnigk

• Visiting Professor, USMA, 1978-1979 (he was the second one).

Publications: 

Many items listed in MR

STABILITY THEOREMS FOR LINEAR MOTIONS, WITH AN INTRODUCTION TO LIAPUNOV"S DIRECT METHOD. ENGLEWOOD CLIFFS, N. J., PRENTICE-HALL (1966). Note: BIBLIOGRAPHY: P. 247-248.XII, 251 P. ILLUS. (PRENTICE-HALL INTERNATIONAL SERIES IN APPLIED MATHEMATICS). 

Could get this transferred to USMA. See http://lcweb.loc.gov/flicc/rsicbook.txt