Citation:
V. G. Mikhalev, “On complete integrability of the O(3)O(3)-field in the class of rapidly decreasing functions”, Differential geometry, Lie groups and mechanics. Part 10, Zap. Nauchn. Sem. LOMI, 172, "Nauka", Leningrad. Otdel., Leningrad, 1989, 99–104; J. Soviet Math., 59:5 (1992), 1092–1096