TY  - JOUR 
T1  - Exact solution of asymmetric diffusion with N classes of particles of arbitrary size and hierarchical order
JO  - Brazilian Journal of Physics
A1  - Alcaraz, F. C.
A1  - Bariev, R. Z.
SN  - 0103-9733
UL  - 10.1590/S0103-97332000000400004
VL  - 30 
Y1  - 2000
PB  - Brasil 
ER  -