Springer, T. A., & Popov, V. L. (1981). Teorija invariantov. Mir.
Chicago Style (17th ed.) CitationSpringer, T. A., and V. L. Popov. Teorija Invariantov. Moskva: Mir, 1981.
MLA (9th ed.) CitationSpringer, T. A., and V. L. Popov. Teorija Invariantov. Mir, 1981.
Warning: These citations may not always be 100% accurate.