@article{10.30755/NSJOM.07194,
     author = {Alireza Ansari and Shiva Eshaghi and Reza Khoshsiar Ghaziani},
     title = {Lyapunov-type inequality for nonlinear systems with 
	{Riemann-Liouville} fractional derivatives
},
     journal = {Novi Sad Journal of Mathematics},
     pages = {17 - 34},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {2019},
     doi = {10.30755/NSJOM.07194},
     url = {http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.07194/}
}