scholarly journals The first order approximate Lie symmetries and approximate conserved quantities of the weak nonlinear coupled two-dimensional system

2013 ◽  
Vol 62 (22) ◽  
pp. 220202
Author(s):  
Lou Zhi-Mei
1985 ◽  
Vol 31 (1) ◽  
pp. 437-447 ◽  
Author(s):  
P. Dimon ◽  
P. M. Horn ◽  
M. Sutton ◽  
R. J. Birgeneau ◽  
D. E. Moncton

2011 ◽  
Vol 48 (1) ◽  
pp. 153-163
Author(s):  
Zdeněk Opluštil

Abstract Some oscillation criteria are established for two-dimensional systems of first order linear difference equations.


1998 ◽  
Vol 32 (10) ◽  
pp. 1116-1118
Author(s):  
N. S. Averkiev ◽  
A. M. Monakhov ◽  
A. Yu. Shik ◽  
P. M. Koenraad

1988 ◽  
Vol 61 (10) ◽  
pp. 1214-1217 ◽  
Author(s):  
Isaac Freund ◽  
Michael Rosenbluh ◽  
Richard Berkovits ◽  
Moshe Kaveh

2008 ◽  
Vol 31 (19) ◽  
pp. 3297-3308 ◽  
Author(s):  
Paola Dugo ◽  
Francesco Cacciola ◽  
Miguel Herrero ◽  
Paola Donato ◽  
Luigi Mondello

1985 ◽  
Vol 56 (2) ◽  
pp. 173-176 ◽  
Author(s):  
R.G. Clark ◽  
R.J. Nicholas ◽  
M.A. Brummell ◽  
A. Usher ◽  
S. Collocott ◽  
...  

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