1. A. A. Vedenov and A. I. Larkin, Zh. Éksp. Teor. Fiz.,36, 1133 (1959).
2. B. A. Trubnikov and V. F. Elesin, Zh. Éksp. Teor. Fiz.,47, 1279 (1964).
3. A. I. Larkin, Zh. Éksp. Teor. Fiz.,38, 1896 (1960).
4. R. Dekeyser, Physica,31, 1405 (1965).
5. W. Ebeling, Ann. Phys.,7, 104 (1967); Physica,43, 293 (1969).