TY  - JOUR
AU  - A. V. Mikhailov
AU  - A. B. Shabat
TI  - Integrability conditions for systems of two equations of the form 

JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1986
SP  - 47
EP  - 65
VL  - 66
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1986_66_1_a3/
LA  - ru
ID  - TMF_1986_66_1_a3
ER  -