..............page:109-111
..............page:126-127
..............page:106-108
..............page:131-132
..............page:118-119
..............page:75-76,92
..............page:120-121
..............page:107-108
..............page:103-104
..............page:122-123
On a generalization of Widder s theorem
shen jia-mei; he le-ping; cao xue-mei; zhang he-biao(department of mathematics and computer science ; normal college ; jishou university; jishou 416000; china; theacher s training school; luxi county; luxi hunan 416100; china)
..............page:1-3
..............page:19-20,24
..............page:116-117
..............page:129-132
..............page:112-115