Author:
Brändas Erkki,Elander Nils
Reference34 articles.
1. P. Erman, Specialist Periodic Reports, Chem. Soc. London 6, 5ol (1979).
2. H. Weyl, Math. Ann. 68, 22o (191o).
3. E. Balslev and J. Combes, Commun. Math. Phys. 22, 28o (1971).
4. B. Simon, Ann. Math., 97, 247 (1973).
5. E. Brändas, N. Elander and P. Froelich, Int. J. Quant. Chem. 14, 443 (1978).