@article{RM_1986_41_5_a9,
     author = {A. Yu. Borisovich},
     title = {The~reduction of a problem on the bifurcation of minimal surfaces to operator equations and the search for bifurcations of a catenoid, a helicoid, and the {Scherk} and {Enneper} surfaces},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {131--132},
     publisher = {mathdoc},
     volume = {41},
     number = {5},
     year = {1986},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1986_41_5_a9/}
}