
On the focal surfaces of the congruences generated by the instantaneous screwing axes connected with some surfaces
Author(s) -
Türkan Gül
Publication year - 1994
Publication title -
communications faculty of sciences university of ankara series a1: mathematics and statistics
Language(s) - English
Resource type - Journals
ISSN - 1303-5991
DOI - 10.1501/commua1_0000000466
Subject(s) - congruence relation , geometry , mathematics , pure mathematics