In Russian. Dain, Efim Alexandrovich. To the problem of internal resonances in the theory of oscillations of thin shells. Moscow: 1977. K probleme vnutrennikh rezonansov v teorii kolebaniy tonkikh obolochek. In Russian /To the problem of internal resonances in the theory of oscillation of thin shells . All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7669526