TY  - JOUR
AU  - Valery Dryuma
TI  - On theory of surfaces defined by the first order systems of equations
JO  - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
PY  - 2008
SP  - 161
EP  - 175
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BASM_2008_1_a10/
LA  - en
ID  - BASM_2008_1_a10
ER  -