TY - JOUR AU - Dahiya, R.S. TI - A theorem in unilateral operational calculus JO - Portugaliae mathematica PY - 1967 SP - 309 EP - 317 VL - 26 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1967__26_3_115033/ LA - en ID - PORMA_1967__26_3_115033 ER -