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Existence of maximal points with respect to ordered bipreference relations

โœ Scribed by L. Gajek; D. Zagrodny


Publisher
Springer
Year
1991
Tongue
English
Weight
528 KB
Volume
70
Category
Article
ISSN
0022-3239

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## a b s t r a c t In this paper, we discuss four-point boundary value problems for impulsive second order differential equations with deviating arguments. We investigate separately, cases when arguments are of delayed or advanced types. We formulate sufficient conditions under which our problems h