Sapelkin, A. I., Сапелкин, А. И., & Сапелкин, А. И. (2002). $P$-Faithful Partially Ordered Sets. Institute of Mathematics, NAS of Ukraine.
Chicago Style (17th ed.) CitationSapelkin, A. I., А. И Сапелкин, and А. И Сапелкин. $P$-Faithful Partially Ordered Sets. Institute of Mathematics, NAS of Ukraine, 2002.
MLA (8th ed.) CitationSapelkin, A. I., et al. $P$-Faithful Partially Ordered Sets. Institute of Mathematics, NAS of Ukraine, 2002.
Warning: These citations may not always be 100% accurate.