@article{10_1023_A_1026090026531, author = {Berggren, Stein A. and Lukkassen, Dag and Meidell, Annette and Simula, Leon}, title = {Some methods for calculating stiffness properties of periodic structures}, journal = {Applications of Mathematics}, pages = {97--110}, publisher = {mathdoc}, volume = {48}, number = {2}, year = {2003}, doi = {10.1023/A:1026090026531}, mrnumber = {1966343}, zbl = {1099.74053}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1023/A:1026090026531/} }