@article{MAT_1967_11_6_a0,
     author = {Peter D. Lax and L. Nirenberg},
     title = {On stability for difference schemes: {A} sharp form of {G\r{a}rding's} inequality},
     journal = {Matematika},
     pages = {3--20},
     publisher = {mathdoc},
     volume = {11},
     number = {6},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1967_11_6_a0/}
}