@article{oai:nitech.repo.nii.ac.jp:00006000,
 author = {Yamagishi, Masakazu},
 journal = {Linear algebra and its applications},
 month = {Jul},
 pages = {1--15},
 title = {Periodic harmonic functions on lattices and Chebyshev polynomials},
 volume = {476},
 year = {2015}
}