@article{CM_1993__87_3_269_0,
     author = {Ramakrishna, Ravi},
     title = {On a variation of {Mazur's} deformation functor},
     journal = {Compositio Mathematica},
     pages = {269--286},
     publisher = {Kluwer Academic Publishers},
     volume = {87},
     number = {3},
     year = {1993},
     mrnumber = {1227448},
     zbl = {0910.11023},
     language = {en},
     url = {http://www.numdam.org/item/CM_1993__87_3_269_0/}
}