ON LEVIN TYPE COMPARISON THEOREMS FOR CERTAIN SECOND ORDER...
The results obtained here generalize and extend some of the earlier ones related to the levin's comparison theorems.doi:CNKI:SUN:SXWY.0.1997-01-005B.G.PachpatteB.G.PachpatteDept.ofMath.MarathwadaUniv.Aurangabad431004MaharashtraIndia数学物理学报:B辑英文版...