TY - BOOK AU - Muhammad Waqas, TI - With small parameters of a class of quasi-periodic nonlinear hamiltonian system near equilibrium point SN - (hbk) U1 - 512.1 PY - 2023/// CY - Jauharabad PB - Department of Mathematics, University of Education, Jauharabad Campus KW - Mathematics--Parameters--Quasi-Periodi--Nonlinear--Equilibrium Point ER -