Batsamut, V.M. , Batsamut, M.V. , Bashkatov, Y.H. and Tolstonosov, D.Y. 2025. TWO-LAYER GRAPH INVARIANT FOR PATTERN RECOGNITION. Radio Electronics, Computer Science, Control. 2 (Jun. 2025), 84–93. DOI:https://doi.org/10.15588/1607-3274-2025-2-7.