Tsirunyan, V.D. 2025. ON DEFICIENCY OF COMPLETE 3-PARTITE AND 4-PARTITE GRAPHS. Proceedings of the YSU A: Physical and Mathematical Sciences. 59, 3 (268) (Dec. 2025), 84–93. DOI:https://doi.org/10.46991/PYSUA.2025.59.3.084.