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- [8] EXISTENCE - UNIQUENESS FOR 2-POINT BOUNDARY-VALUE PROBLEMS FOR NTH ORDER NONLINEAR DIFFERENTIAL EQUATIONS - PRELIMINARY-REPORT NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1976, 23 (01): : A116 - A116
- [9] THE BOUNDARY-VALUE PROBLEM FOR A DIFFERENTIAL-DIFFERENCE EQUATION OF THE 2ND-ORDER ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING, 1994, 19 (01): : 93 - 98
- [10] STRUCTURE OF LOWER AND UPPER FUNCTIONS FOR THE BOUNDARY-VALUE PROBLEM OF NONLINEAR 2ND-ORDER PARABOLIC EQUATIONS IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII MATEMATIKA, 1986, (12): : 51 - 55