1.
Gallo JM, Butanas Jr. BM. Quantum Propagator Derivation for the Ring of Four Harmonically Coupled Oscillators. J. Penelit. Fis. Apl. [Internet]. 2019 Dec. 31 [cited 2025 Jul. 21];9(2):92-104. Available from: https://journal.unesa.ac.id/index.php/jpfa/article/view/4194