Comparison Theorems for Functional Diffe
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Jozef DΕΎurina
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Article
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1993
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John Wiley and Sons
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English
β 374 KB
## Abstract Our aim in this paper is to obtain the comparison principles which extend those of Grace and LALLI. The equations. L~n~u(t)Β±f(t, u[g(t)]= 0 are compared with the equations. M~n~u(t)Β±z(t)h([Ο(t)])= 0.