TY  - JOUR
AU  - G. S. Makanin
TI  - The problem of solvability of equations in a free semigroup
JO  - Sbornik. Mathematics
PY  - 1977
SP  - 129
EP  - 198
VL  - 32
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/SM_1977_32_2_a0/
LA  - en
ID  - SM_1977_32_2_a0
ER  -