L. Yu. Ismailova, S. V. Kosikov, V. E. Wolfengagen, and J. V. Mazurova, “Means to support the object traces in the conceptual modeling systems”, IJET, vol. 7, no. 4.5, pp. 601–604, Sep. 2018, doi: 10.14419/ijet.v7i4.5.21166.