List of symbols
Differential and Integral Equations, GDML_Books, (1979), p. 8 / Harvested from
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@inbook{400395,
     title = {List of symbols},
     booktitle = {Differential and Integral Equations},
     series = {GDML\_Books},
     publisher = {Academia},
     address = {Praha},
     year = {1979},
     pages = {8-8},
     url = {http://dml.mathdoc.fr/item/400395}
}

 (éd.). List of symbols, dans Differential and Integral Equations, GDML_Books,  (1979), p. 8. http://gdmltest.u-ga.fr/item/400395/