TY - JOUR AU - Habibullah, G.M. TI - A note on an integral operator involving Legendre functions JO - Portugaliae mathematica PY - 1981 SP - 399 EP - 403 VL - 40 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1981__40_4_115467/ LA - en ID - PORMA_1981__40_4_115467 ER -