TY - JOUR AU - Martin Schechter TI - Wave operators for pairs of spaces and the Klein-Gordon equation. (Short Communication). JO - Aequationes mathematicae PY - 1978 SP - 398 EP - 399 VL - 18 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1978__18_136802/ ID - AM2_1978__18_136802 ER -