Timoshenko S., Young D. Advanced Dynamics.— N. Y.:McGraw-Hill, Book Co.,
1948;
Timoshenko S., Gere J. Theory of Elastic Stability 2-nd ed.— N. Y.:
McGraw-Hill Book Co., 1961;
Timoshenko S., Young D. Theory of Structures, 2-nd ed.—N.
Y.: McGraw-Hill, Book Co.