Vinogradov, A. A. (1967), «Ordered algebraic systems», Algebra, Topology, Geometry, 1965 (Russian)(en russian), Akad. Nauk SSSR Inst. Naučn. Tehn. Informacii, Moscow, pp. 83-131, MR0215761.. Translated into English in Filippov, N. D., ed. (1970), Ten papers on algebra and functional analysis, American Mathematical Society Translations, Series 2 96, American Mathematical Society, Providence, R.I., pp. 69-118, ISBN9780821896662, MR0268000..
Vinogradov, A. A. (1967), «Ordered algebraic systems», Algebra, Topology, Geometry, 1965 (Russian)(en russian), Akad. Nauk SSSR Inst. Naučn. Tehn. Informacii, Moscow, pp. 83-131, MR0215761.. Translated into English in Filippov, N. D., ed. (1970), Ten papers on algebra and functional analysis, American Mathematical Society Translations, Series 2 96, American Mathematical Society, Providence, R.I., pp. 69-118, ISBN9780821896662, MR0268000..