TY  - JOUR
AU  - A. L. Teptin
TI  - On the sign of the Green's function of a boundary value problem with periodic and Sturm's boundary conditions
JO  - Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki
PY  - 2008
SP  - 150
EP  - 151
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/VUU_2008_2_a49/
LA  - ru
ID  - VUU_2008_2_a49
ER  -