TY  - JOUR
AU  - Bellman, Richard
TI  - On the linear differential equations whose solutions are the products  of solutions of two given linear differential equations.
JO  - Bollettino della Unione matematica italiana
PY  - 1957
SP  - 12
EP  - 15
VL  - 12
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BUMI_1957_3_12_1_a2/
LA  - en
ID  - BUMI_1957_3_12_1_a2
ER  -