相似文献/References:
[1]宋启根.球函数的近似表示式及直线变厚圆板的轴对称弯曲[J].东南大学学报(自然科学版),1980,10(1):1.[doi:10.3969/j.issn.1001-0505.1980.01.001]
Song Qi-gen.Approximate Expressions of Legendre Functions and Axisymmetrical Bendings of Circular Plates with Linearly Varying Thickness[J].Journal of Southeast University (Natural Science Edition),1980,10(1):1.[doi:10.3969/j.issn.1001-0505.1980.01.001]