@article{RM_1995_50_6_a32, author = {A. P. Veselov and S. P. Novikov}, title = {Exactly soluble periodic two-dimensional {Schr\"odinger} operators}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {1316--1317}, publisher = {mathdoc}, volume = {50}, number = {6}, year = {1995}, language = {en}, url = {http://geodesic.mathdoc.fr/item/RM_1995_50_6_a32/} }