@base . a , ; "Journal of fractional calculus and nonlinear systems" . . a ; "2709-9547" ; . "Kuwait" . a ; "2709-9547" ; . a ; ; "20210207014000.0"^^ ; ; . a , , ; , , ; "Journal of fractional calculus and nonlinear systems." ; ; ; "2709-9547" ; ; "2709-9547" ; ; "2709-9547" ; "Journal of fractional calculus and nonlinear systems." , "Journal of fractional calculus and nonlinear systems" ; ; "https://sabapub.com/index.php/jfcns" . a . a ; .