@article{oai:tsukuba.repo.nii.ac.jp:00016237,
 author = {Cerin, Zvonko},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {245--268},
 title = {Shape via multi-nets},
 volume = {19},
 year = {1995}
}