01018pam a2200253 i 45000010008000000030008000080050017000160080041000330100017000740200015000910400027001060500024001330820013001571110077001702450195002472600050004423000032004924400035005245040051005596500036006106500038006467000028006847100052007122753795BD-DhUL20140912113824.0790430s1979    gw a     b    101 0 eng    a   79013997   a0387092463  aDLCcDLCdDLCdBD-DhUL00aQC20.7.N6bI55 197800a530bRAN2 aInternational Seminar on Theoretical Physics,b9th,cJaca, Spain,d1978.10aNonlinear problems in theoretical physics :bproceedings of the IX G.I.F.T. International Seminar on Theoretical Physics, held at Jaca, Huesca (Spain), June 1978 /cedited by A. F. Rañada.  aBerlin ;aNew York :bSpringer-Verlag,c1979.  ax, 216 p. :bill. ;c25 cm. 0aLecture notes in physics ;v98  aIncludes bibliographical references and index. 0aNonlinear theoriesxCongresses. 0aMathematical physicsxCongresses.1 aRañada, A. F.,d1939-2 aGrupo Interuniversitario de Física Teórica.