1985, Vol. 1(4): 348-355    DOI: 10.1007/BF02564843
Ekeland’s variational principle and the mountain pass lemma
Shi Shuzhong
Nankai University
Received 1984-08-09  Revised 1985-06-22
Supporting info
Monthly, Established in 1936
ISSN 1439-8516
CN 11-2039/O1
Add: Academy of Mathematics & Systems Science, Chinese Academy of Sciences, Beijing 100190, P. R. China
E-mail: acta@math.ac.cn
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