Oscillatory solutions of second order ordinary differential equations
نویسندگان
چکیده
منابع مشابه
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ژورنال
عنوان ژورنال: Annales Polonici Mathematici
سال: 1971
ISSN: 0066-2216,1730-6272
DOI: 10.4064/ap-25-2-175-178