Associative and non-associative automorphisms of Newtonian space-time G. S. Whiston OriginalPaper Pages: 79 - 103
Particle boundedness in Γ jk;l i =0,g ij;k =0 field theory M. MuraskinB. Ring OriginalPaper Pages: 105 - 109
Some properties of higher spin rest-mass zero fields in general relativity P. BellP. Szekeres OriginalPaper Pages: 111 - 121
Non-relativistic approximation of the theory of the particle of spin maximum 1 José Vassalo Pereira OriginalPaper Pages: 155 - 164