THE APPLICATION OF WEINSTEIN-CHIEN’S METHOD——THE UPPER AND LOWER LIMITS OF FUNDAMENTAL FREQUENCY OF RECTANGULAR PLATES WITH EDGES ARE THE MIXTURE OF SIMPLY SUPPORTED POR-TIONS AND CLAMPED PORTIONS
陈政清
THE APPLICATION OF WEINSTEIN-CHIEN’S METHOD——THE UPPER AND LOWER LIMITS OF FUNDAMENTAL FREQUENCY OF RECTANGULAR PLATES WITH EDGES ARE THE MIXTURE OF SIMPLY SUPPORTED POR-TIONS AND CLAMPED PORTIONS
Cheng Zheng-qing
Applied Mathematics and Mechanics (English Edition) . 1984, (3): 1399 -1408 . 

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