Pakdemirli, M2024-07-182024-07-180022-460Xhttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/1699EnglishCUBIC NONLINEARITIESPERTURBATION-METHODSDISCRETIZATIONSYSTEMSVIBRATIONSComparison of higher order versions of the method of multiple scales for an odd non-linearity problemLetter