Ya1987
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K. Yajima. Existence of solutions for Schrödinger evolution equations. Commun. Math. Phys, 110 (1987), 415-426. MathSciNet, arXiv.
K. Yajima. Existence of solutions for Schrödinger evolution equations. Commun. Math. Phys, 110 (1987), 415-426. MathSciNet, arXiv.