  The regularization of propagators by means of a complex metric is considered.
(The paper is an English translation of the first of two articles in Russian
published by the author in 1987-88: V.D. Ivashchuk, Regularization by
{\epsilon}-metric. I, Izvestiya Akademii Nauk Moldavskoy SSR, Ser.
Fiziko-tekhnicheskih i matematicheskih nauk, No 3, p. 8-17 (1987) [in Russian]
.)
