n.余割
Cosecant Beam Generation Program for computing Phase distribution function and Radiation pattern. (译)：余割波束生成程序的计算相分布函数和辐射模式。
Quadrature Formulae for Singular Integral with Cosecant Kernel 含余割核奇异积分的求积公式
On the Solution of Singular Integral Equations with Both Cosecant and Convolution Kernel 具有余割核和卷积核的奇异积分方程的求解
Modification of the Inversion Problem for Singular Integrals with Cosecant Kernel 含余割核奇异积分修改的反演问题
