@article{PSMIR_1976___S5_A8_0,
     author = {Johnson, C.},
     title = {A {Mixed} {Finite} {Element} {Method} for {Plasticity} {Problems} with {Hardening}},
     journal = {Publications des s\'eminaires de math\'ematiques et informatique de Rennes},
     eid = {8},
     pages = {1--16},
     publisher = {D\'epartement de Math\'ematiques et Informatique, Universit\'e de Rennes},
     number = {S5},
     year = {1976},
     language = {en},
     url = {http://www.numdam.org/item/PSMIR_1976___S5_A8_0/}
}