TY - CHAP T1 - Functionals of the Peierls - Fröhlich Type and the Variational Principle for the Whitham Equations T2 - Solitons, geometry, and topology : on the crossroad / V. M. Buchstaber, S. P. Novikov editors.- Providence : American Mathematical Society, 1997. - ( American mathematical society translations. Series 2. - vol. 179). - pages : 35-44 Y1 - 1997 A1 - Boris Dubrovin JF - Solitons, geometry, and topology : on the crossroad / V. M. Buchstaber, S. P. Novikov editors.- Providence : American Mathematical Society, 1997. - ( American mathematical society translations. Series 2. - vol. 179). - pages : 35-44 PB - American Mathematical Society SN - 0821806661 UR - http://hdl.handle.net/1963/6485 U1 - 6425 U2 - Mathematics U4 - 1 U5 - MAT/07 FISICA MATEMATICA ER -