Mikaelyan, Hamlet V., and Petros A. Petrosyan. “ON EDGE-CHROMATIC SUMS OF CORONA PRODUCTS OF GRAPHS”. Proceedings of the YSU A: Physical and Mathematical Sciences, vol. 60, no. 2 (270), June 2026, pp. 83-90, https://doi.org/10.46991/PYSUA.2026.60.2.083.