оператор Дирака On Transformation Operator for the System of Dirac Equations with Summable Potentials Authors: Guseinov I. M., Lyatifova A. R. The paper proves the existence of the transformation operator for summable functions and finds the analogy of the formula for the potential with the transformation operator in the given case. Read more about On Transformation Operator for the System of Dirac Equations with Summable Potentials