RELATIONS BETWEEN CLASSES OF DRAGILEV SPACES (f_1)_{\sigma} AND (f_2)_{\sigma} FOR ARBITRARY FUNCTION f^{-1}_{1}\circ f_2}

Authors: V. KASHIRIN, A. VAKULENKO

Abstract: Necessary and sufficient condition under wich Dragilev classes (f_1)_{\sigma} and (f_2)_{\sigma} coincide have been found for an arbitrary function f^{-1}_{1}\circ f_2.

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