ON THE EMBEDDING OF MALʹTSEV ALGEBRAS INTO LIE ALGEBRAS Статья Mikheev P.O. Akademiya Nauk SSSR. Sibirskoe Otdelenie. Institut Matematiki. Algebra i Logika. 1992.
POINT-STRUCTURE OBJECTS AND THE CLASSICAL SPIN MODEL Статья Kuryshkin V.V., Èntralʹgo È.È. Doklady Akademii nauk SSSR. Mezhdunarodnaya Kniga, Moscow, Russian Federation. 1990.