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022 _a0096-3003
040 _aRuMoIPM
_brus
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245 1 0 _aVol. 20 No. 3-4
260 _c1986
773 1 8 _7nnas
_gVol. 20 No. 3-4
_tApplied mathematics and computation. 1986
_w000011034
_x0096-3003
856 4 0 _uhttps://www.sciencedirect.com/journal/applied-mathematics-and-computation/vol/20/issue/3
942 _cIS
999 _c11041
_d11041