@article{oai:ynu.repo.nii.ac.jp:00006771,
 author = {Li, Shi-Jie},
 issue = {1&2},
 journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学},
 month = {},
 note = {application/pdf},
 pages = {21--31},
 title = {SPHERICAL SUBMANIFOLDS WITH POINTWISE 3- OR 4-PLANAR NORMAL SECTIONS},
 volume = {35},
 year = {1987}
}