1. L. Beskin, Bending of curved thin tubes, J. Appl. Mechanics, 12, A1-A7 1945)
2. On the theory of thin elastic toroidal shells;Clark, R. A.;J. Math. Physics,1950
3. R. A. Clark and W. E. Gibson, Asymptotic solution of a non-homogeneous differential equation, in preparation.
4. Bending of curved tubes;Clark, R. A.,1951
5. On asymptotic integration in shell theory;Hildebrand, F. B.,1950