@article{oai:teapot.lib.ocha.ac.jp:00034676,
 author = {FUJIWARA, Masahiko},
 issue = {2},
 journal = {お茶の水女子大學自然科學報告},
 month = {Feb},
 note = {application/pdf, 紀要論文, The concept of θ-congruent numbers was first introduced by myself as a generalization of classical congruent numbers. Since then, several interesting properties have been found. This paper gives still further theorems related to θ-congruent numbers.},
 pages = {1--8},
 title = {Some properties of θ-congruent numbers},
 volume = {52},
 year = {2002}
}