On multiple solutions of a semilinear Schrödinger equation with periodic potential
1998 ◽
Vol 33
(6)
◽
pp. 593-609
◽
1984 ◽
Vol 80
(10)
◽
pp. 5095-5106
◽
1983 ◽
Vol 50
(23)
◽
pp. 1873-1876
◽
Keyword(s):
1987 ◽
Vol 37
(11)
◽
pp. 1209-1223
◽
Keyword(s):
1996 ◽
Vol 348
(8)
◽
pp. 3323-3353
◽
2003 ◽
Vol 52
(1)
◽
pp. 109-132
◽