Fischer, Jan
The use of power expansions in quantum field theory.
International Journal of Modern Physics. A. Roč. 12, č. 21 (1997), s. 3625-3663. ISSN 0217-751X. E-ISSN 1793-656X
Impact factor: 1.586, year: 1997
http://hdl.handle.net/11104/0030086