TY  - JOUR
AU  - Hai-De Gou
TI  - The method of lower and upper solutions for Sobolev type Hilfer fractional evolution equations
JO  - Filomat
PY  - 2022
SP  - 4983 
VL  - 36
IS  - 15
UR  - http://geodesic.mathdoc.fr/articles/10.2298/FIL2215983G/
DO  - 10.2298/FIL2215983G
LA  - en
ID  - 10_2298_FIL2215983G
ER  -