“…In this ta ble, the re sults ob tained by the pres ent method, as well as the re sults ob tained for the iso tro pic scat ter ing quoted from refs. [15,16], by Case's sin gu lar eigenfunction method quoted from Atalay [10] and by the tra di tional P N method, are given. There fore, a com pre hen sive com par i son can be done be tween the re sults ob tained from the pres ent T N method and the re sults that al ready ex ist in lit er a ture.…”