TY  - JOUR
AU  - V. E. Firstov
TI  - A Special Matrix Transformation Semigroup of Primitive Pairs and the Genealogy of Pythagorean Triples
JO  - Matematičeskie zametki
PY  - 2008
SP  - 281
EP  - 299
VL  - 84
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2008_84_2_a9/
LA  - ru
ID  - MZM_2008_84_2_a9
ER  -