James W. Burgmeier, M. R. Scott. A method for obtaining bounds on eigenvalues and eigenfunctions by solving non-homogeneous integral equations. Computing, 10(1-2):9-22, 1972. [doi]
@article{BurgmeierS72,
title = {A method for obtaining bounds on eigenvalues and eigenfunctions by solving non-homogeneous integral equations},
author = {James W. Burgmeier and M. R. Scott},
year = {1972},
doi = {10.1007/BF02242379},
url = {http://dx.doi.org/10.1007/BF02242379},
researchr = {https://researchr.org/publication/BurgmeierS72},
cites = {0},
citedby = {0},
journal = {Computing},
volume = {10},
number = {1-2},
pages = {9-22},
}