A Nonlocal in Time Problem for Evolutionary Singular Equations in Generalized Spaces of Type <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mover><mml:mrow><mml:mi>S</mml:mi></mml:mrow><mml:mrow><mml:mo>∘</mml:mo></mml:mrow></mml:mover></mml:math>
Journal of function spaces