TY - BOOK AU - Muhammad Waqas, TI - With small parameter of a class of quasi-periodic nonlinear hamiltonian system near equilibrium SN - (hbk) U1 - 512.1 PY - 2023/// CY - Faisalabad PB - Department of Mathematics, University of Education, Faisalabad Campus KW - Mathematics--Small Parameter--Quasi-Periodic Nonlinear--Equilibrium ER -