Radiative decays of heavy-light quarkonia through <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>M</mml:mi><mml:mn>1</mml:mn></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>E</mml:mi><mml:mn>1</mml:mn></mml:math> transitions in the framework of the Bethe-Salpeter equation
Physical review. D/Physical review. D.