@Article{npg-9-355-2002,
AUTHOR = {Polnikov, V. G.},
TITLE = {A basing of the diffusion approximation derivation for the four-wave kinetic integral and properties of the approximation},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {9},
YEAR = {2002},
NUMBER = {3/4},
PAGES = {355--366},
URL = {http://www.nonlin-processes-geophys.net/9/355/2002/},
DOI = {10.5194/npg-9-355-2002}
}