singular boundary value prolbem  奇异边值问题

fourth order singular boundary value problem  四阶奇异边值问题; 次线性

Fourth order singular boundary value problems  四阶奇异边值问题

fourth-order singular boundary value problem  四阶奇异边值问题

m-point singular boundary value problem  m-点奇异边值问题

nonlinear singular boundary value problem  非线性奇异边值问题

nonlocal singular boundary value problem  非局部边值问题

second order singular boundary value problems  二阶奇异边值问题

second order-three point singular boundary value p  二阶三点奇异边值问题

second order-three point singular boundary value problem  二阶三点奇异边值问题

second-oder singular boundary value problem  奇异二阶边值问题

singular boundary value  奇异边值

singular boundary value problems  奇异边值问题; 边值问题

singular boundary value systems  奇异边值系统; 奇异边值

singular boundary-value problem  奇异边值问题

Singular boundary-value problems of eighth-order  八阶奇异边值问题

Third-order singular boundary value problems  三阶奇异边值问题

three-point singular boundary value porblem  三点奇异边值问题

Three-point singular boundary value problem  三点奇异边值问题