Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1968_181_2_a9, author = {L. S. Yakupov}, title = {Solutions in finite form for certain {Hill{\textquoteright}s} equations}, journal = {Doklady Akademii Nauk}, pages = {296--297}, publisher = {mathdoc}, volume = {181}, number = {2}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_181_2_a9/} }
L. S. Yakupov. Solutions in finite form for certain Hill’s equations. Doklady Akademii Nauk, Tome 181 (1968) no. 2, pp. 296-297. http://geodesic.mathdoc.fr/item/DAN_1968_181_2_a9/