@article{10_21136_AM_1970_103315,
     author = {Marek, Ivo},
     title = {On a method of {D.} {Marsal} for equations with positive operators},
     journal = {Applications of Mathematics},
     pages = {413--417},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {1970},
     doi = {10.21136/AM.1970.103315},
     mrnumber = {0283596},
     zbl = {0274.65019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1970.103315/}
}