@article{oai:tsukuba.repo.nii.ac.jp:00015741,
 author = {Shimizu, Atsushi},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {15--19},
 title = {Remarks on theta series},
 volume = {4},
 year = {1980}
}