Li, Yan, 1892-1963 |
Chung-suan-shih lun-ts'ung / Li Yen. |
Pei-ching : K'o-hsüeh ch'u-pan-she, 1960-1961. |
Li, Yan, 1892-1963 |
Correspondence of Li Yan and David Eugene Smith / [edited by] Xu Yibao |
In: Delicate balance. p. 245-273 |
Li, Yan, 1892-1963 |
The interpolation formulae of early Chinese mathematicians / by Li Yen. |
Li, Yan, 1892-1963 |
Tchong-kouo kou-tai chou-hiue che-houa : Zhong guo gu dai shu xue shi hua / Li Yen, Tou Che-Jan |
Pei-ching : Tchong-houa chou-kiu, 1961. |