TY  - JOUR
AU  - Chrastina, Jan
TI  - From elementary algebra to Bäcklund transformations
JO  - Czechoslovak Mathematical Journal
PY  - 1990
SP  - 239
EP  - 257
VL  - 40
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102378/
DO  - 10.21136/CMJ.1990.102378
LA  - en
ID  - 10_21136_CMJ_1990_102378
ER  -