\Bibitem{KorSil84} \by D.~V.~Korolyuk, D.~S.~Sil'vestrov \paper Entry times into asymptotically receding regions for random processes with semi-Markov switchings \jour Teor. Veroyatnost. i Primenen. \yr 1984 \vol 29 \issue 3 \pages 539--544 \mathnet{http://mi.mathnet.ru/tvp2092} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=761139} \zmath{https://zbmath.org/?q=an:0568.60082} \transl \jour Theory Probab. Appl. \yr 1985 \vol 29 \issue 3 \pages 558--563 \crossref{https://doi.org/10.1137/1129070} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1985ANY1800012}