The paper considers the class of Hamiltonian systems with two degrees of freedom. Based on the classical normal form. according to the rules of Born-Jordan and Weyl-MacCoy. its quantum analogs are constructed for which the eigenvalue problem is solved and approximate formulas for the energy spectrum are found. https://www.nacrack.com/mega-pick-Legacy-Kelly-Green-Spear-Cool-Fit-Adjustable-Visor-White-quick-deal/
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