Scattering Theory for 2<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mi>N</mml:mi></mml:math>Parameter Models of Finitely Many Relativistic<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M2"><mml:mi>δ</mml:mi></mml:math>-Sphere and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M3"><mml:mi>δ</mml:mi></mml:math>-Sphere plus Coulomb Interactions Supported by Concentric Spheres in Quantum Mechanics
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