@article{AL_2005_44_4_a1,
     author = {A. A. Klyachko},
     title = {The {Kervaire~--} {Laudenbach} {Conjecture} and {Presentations} of {Simple} {Groups}},
     journal = {Algebra i logika},
     pages = {399--437},
     publisher = {mathdoc},
     volume = {44},
     number = {4},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2005_44_4_a1/}
}