@article{oai:nagoya.repo.nii.ac.jp:00031365,
 author = {Ono, Tamio and Ishii, Ikuma},
 journal = {Memoirs of the Faculty of Engineering, Nagoya University},
 month = {Mar},
 pages = {64--76},
 title = {On a renewal problem},
 volume = {14},
 year = {1963}
}