TY - JOUR AU - N.H. Ibragimov AU - R.N. Ibragimov TI - Bifurcation of Nonlinear Conservation Laws from the Classical Energy Conservation Law for Internal Gravity Waves in Cylindrical Wave Field JO - Mathematical modelling of natural phenomena PY - 2013 SP - 119 EP - 130 VL - 8 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20138508/ DO - 10.1051/mmnp/20138508 LA - en ID - MMNP_2013_8_5_a7 ER -