\Bibitem{Loz40} \by S.~M.~Lozinski \paper \"Uber Interpolation \jour Sb. Math. \yr 1940 \vol 50 \issue 1 \mathnet{http://mi.mathnet.ru/eng/sm6014} \mathscinet{https://mathscinet.ams.org/mathscinet-getitem?mr=3294} \zmath{https://zbmath.org/?q=an:0023.31101|66.0278.01}