@article{oai:kanazawa-u.repo.nii.ac.jp:00010441,
 author = {Niino, Kiyoshi and Tohge, Kazuya},
 issue = {4},
 journal = {Journal of the Mathematical Society of Japan},
 month = {Jan},
 pages = {649--665},
 title = {Some functional equations and Picard constants of algebroid surfaces},
 volume = {48},
 year = {1996}
}