[1] J. KAČUR:
On existence of the weak solution for non-linear partial differential equations of elliptic type. Comment. Math. Univ. Carolinae 11 (1970), 137-180.
MR 0301357
[2] J. KAČUR:
On boundedness of the weak solution for some class of quasilinear partial differential equations. Časopis pro pěst. matematiky, to appear.
MR 0316889
[3] T. K. DONALDSON, Neil S. TRUDINGER:
Orlicz-Sobolev spaces and imbedding theorems. Macquarie University, 1970.
MR 0301500
[4] J. NEČAS:
Les équations elliptiques non linéaires. (L'école d'été, Tchécoslovaquie 1967), Czech. Math. Journal 2 (1969), 252-274.
MR 0252829