@article{CRCHIM_2013__16_3_271_0,
     author = {Ali Rahmatpour and Sara Mohammadian},
     title = {An environmentally friendly, chemoselective, and efficient protocol for the preparation of coumarin derivatives by {Pechman} condensation reaction using new and reusable heterogeneous {Lewis} acid catalyst polystyrene-supported {GaCl\protect\textsubscript{3}}},
     journal = {Comptes Rendus. Chimie},
     pages = {271--278},
     publisher = {Elsevier},
     volume = {16},
     number = {3},
     year = {2013},
     doi = {10.1016/j.crci.2013.01.006},
     language = {en},
}