\Bibitem{Kub84} \by Yu.~A.~Kubyshin \paper Sommerfeld--Watson summation of perturbation series \jour TMF \yr 1984 \vol 58 \issue 1 \pages 137--145 \mathnet{http://mi.mathnet.ru/tmf4437} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=740219} \transl \jour Theoret. and Math. Phys. \yr 1984 \vol 58 \issue 1 \pages 91--97 \crossref{https://doi.org/10.1007/BF01031039} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1984TA24500011}