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. OSCILLATION BEHAVIOR OF SOLUTIONS FOR EVEN ORDER NEUTRAL FUNCTIONAL DIFFERENTIAL EQUATIONS[J]. Applied Mathematics and Mechanics (English Edition), 2006, 27(10): 1311-1320 .
T. Candan. OSCILLATION BEHAVIOR OF SOLUTIONS FOR EVEN ORDER NEUTRAL FUNCTIONAL DIFFERENTIAL EQUATIONS[J]. Applied Mathematics and Mechanics (English Edition), 2006, 27(10): 1311-1320 .