TY  - JOUR
AU  - L. Gårding
TI  - Sharp fronts and lacunas
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1971
VL  - 26
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1971_26_2_a10/
LA  - ru
ID  - RM_1971_26_2_a10
ER  -