1. A. Ya. Malkin, B. V. Yarlykov, and G. V. Vinogradov, in: Progress in Polymer Rheology [in Russian], Moscow (1970), p. 148.
2. A. A. Trapeznikov, Kolloidn. Zh.,28, 666 (1966).
3. A. A. Trapeznikov, Zh. Fiz. Khim.,41, 1247 (1967).
4. A. P. Metzger and R. S. Brodkey, J. Appl. Polym. Sci.,7, 399 (1963).
5. N. V. Tyabin, Zh. Éksper. i Teor. Fiz.,19, 559 (1949).