Fichera, 1972, Vol. VIa/2, 391
Nečas, 1975, Rend. Mat., 8, 481
Kinderlehrer, 1981, Ann. Scuola N. Sup. Pisa IV, 8, 605
Kinderlehrer, 1982, Appl. Math. Opt., 8, 159, 10.1007/BF01447756
Ciarlet, 1985, Arch. Rat. Mech. Anal., 87, 319, 10.1007/BF00250917
Nečas, 1980, B.U.M.I., 17-B, 796
Jarusek, 1983, Czech. Math. J., 33, 237, 10.21136/CMJ.1983.101875
Jarušek, 1984, Czech. Math. J., 34, 614, 10.21136/CMJ.1984.101988
J. SOKOLOWSKI, Appl. Math. Opt. To appear.
Duvaut, 1980, C.R. Acad. Sc. Paris Ser. A, 290, 263
Oden, 1983, J. Appl. Mech., 50, 67, 10.1115/1.3167019
Demkowicz, 1982, Nonlin. Anal. Th. Meth. Appl., 6, 1075, 10.1016/0362-546X(82)90076-1
Cocu, 1984, Int. J. Engng. Sci., 22, 567, 10.1016/0020-7225(84)90058-2
Burdekin, 1978, J. Mech. Engng. Sci., 20, 129, 10.1243/JMES_JOUR_1978_020_023_02
Villanueva-Leal, 1984, 198C, 9
Oden, 1985, Comput. Meth. Appl. Mech. Engng.
Martins, 1987, Nonlin. Anal., 11, 407, 10.1016/0362-546X(87)90055-1
Spence, 1986, Q. J. Mech. Appl. Math., 39, 323, 10.1093/qjmam/39.2.233
Boieri, 1987, Appl. Math. Opt., 15, 251, 10.1007/BF01442654
Rabier, 1986, Int. J. Engng Sci., 24, 1755, 10.1016/0020-7225(86)90080-7
Rabier, 1987, Nonlin. Anal., 11, 10.1016/0362-546X(87)90087-3
Grierson, 1979, Comput. Meth. Appl. Mech. Engng, 17/18, 497, 10.1016/0045-7825(79)90029-X
A. KLARBRING, A. MIKELIĆ and M. SHILLOR, Nonlin. Anal. Submitted.