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  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="c">Nguyễn Thị Thảo Trúc ; Hướng dẫn khoa học: Nguyễn Thành Long, Nguyễn Công Tâm</subfield>
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   <subfield code="a">Giới thiệu một số kiến thức chuẩn bị, các ký hiệu và các không gian hàm thông dụng, một số kết quả về phép nhúng cũng được nhắc lại ở đây. Phương pháp sử dụng là xây dựng một dãy qui nạp tuyến tính hội tụ mạnh, kết quả này đã tổng quát kết quả trong [1, 3, 4, 9 - 11] và chuẩn bị công bố. Nghiên cứu về khai triển tiệm cận theo một tham số bé xich-ma đến một cấp thích hợp cho nghiệm bài toán (0.1), (0.2), (0.3) với số hạng phi tuyến f và khảo sát một số trường hợp cụ thể.</subfield>
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