Prokopchuk, J. A. (2013). Formal models of the basic entities "value digraph" and "structural energy".
Chicago Style (17th ed.) CitationProkopchuk, Ju. A. Formal Models of the Basic Entities "value Digraph" and "structural Energy". 2013.
MLA (8th ed.) CitationProkopchuk, Ju. A. Formal Models of the Basic Entities "value Digraph" and "structural Energy". 2013.
Warning: These citations may not always be 100% accurate.