References
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- Ordinary differential equations E.L.Ince
- Proc.Amer.Math.Soc. v.3 On the existence of Green's function F.D.Lax
- Proc.Amer.Math.Soc. v.3 On the Green's function of ordinary differential systems K.S.Miller;M.M.Schiffer
- Linear differential operators M.A.Naimark
- Canadian J.of Math. v.2 Note on the uniqueness of Green's functions associated with certain differential equations D.B.Sears
- Canadian J.of Math. v.1 On the uniqueness of the Green's function associated with a second-order differential equation E.C.Titchmarsh
- Tohoku Mat.J. v.38 Green's functions in space of one dimension I K. Toyoda
- Tohoku Mat.J. v.39 Green's functions in space of one dimension II K. Toyoda