共 11 条
[6]
Rogers C.A., 1958, P LOND MATH SOC, Vs3-8, P609, DOI [10.1112/plms/s3-8.4.609, DOI 10.1112/PLMS/S3-8.4.609]
[8]
SOMERVILLE DMY, 1958, INTRODUCTION GEOMETR, P96